Nairaland Mathematics Clinic - Education (227)

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Nairaland Mathematics Clinic - Education (227) - Nairaland

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Mathematics Clinic / 2015 Cowbell Mathematics Champion, Akinkuowo Honoured By School. / Lead City University Clinic Welcomes First Ever Baby Since 10 Years Of Opening (2) (3) (4)

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Re: Nairaland Mathematics Clinic by agentofchange1(m): 1:56am On Apr 22, 2016

Joe82834:

Just seeing ur quote. D boss(agentofchange1) has fone justice to it. But will upload a detailed(though lengthy) pix of wat i did

that's nothing .

.BTW: recheck ur solution on #2

z= 1+ i√3

z^8 = 256( cos 8Π/3. +isin 8Π/3) ....

( using De-moivre's theorem )

Re: Nairaland Mathematics Clinic by UTILITYMAY(m): 10:01am On Apr 22, 2016

Joe82834:
[/quote]

Thanks Baba; this is very explicit

[quote author=ElDeeVee post=44887799]

Ages are 52 and 39 as shown in the workings below.

Cheers

Thanks Boss; this is great

Re: Nairaland Mathematics Clinic by Joe82834(m): 12:23pm On Apr 22, 2016

Soneh:

thanks alot,but please don't forget the number three question

Re: Nairaland Mathematics Clinic by Soneh(m): 4:17pm On Apr 22, 2016

Joe82834:

thanks

Re: Nairaland Mathematics Clinic by Joe82834(m): 9:36pm On Apr 22, 2016

agentofchange1:

that's nothing .

.BTW: recheck ur solution on #2

z= 1+ i√3

z^8 = 256( cos 8Π/3. +isin 8Π/3) ....

( using De-moivre's theorem )

Ok boss. But actually De-moivre's theorem ends up giving up same answer as normal expansion .So it can be solved further than where you stopped. Will modify n upload wat i did. And tanx on d De-moivre's stuff, had to do some learning today.

Modified
Same answer as d previous.

Re: Nairaland Mathematics Clinic by Joe82834(m): 11:28pm On Apr 22, 2016

Soneh:
gurus in the house pls i need ur help on this
1.solve the simultaneous equations for x and y
(a).log _x2 ⁴+log ₂y +5.=0 ,,xy=1/4
(b).express(√ 3+2√2) in the form √a+√b.(please note that the first square root sign covers the whole of 3+2√2)
(2) evaluate Z⁸ where z=1+i√3.
(3)prove that tan 2A-tanA=2sinA/cosA+cos3A.
(4)find the value of sin^-12x+sin^-1 x for x=1/2 leaving your answer in radians

Hello boss, made a mistake with my signs earlier with regards number 2.check again cos i just replaced d old pix with d correct one .tanx n sorry 4 d error

Re: Nairaland Mathematics Clinic by Nobody: 1:56pm On Apr 26, 2016

Anyone with a solution to any of these questions? U can ans any one. Its not compulsory to ans all

Re: Nairaland Mathematics Clinic by Ajibade105(m): 6:50am On Apr 28, 2016

This is a tutorial questions and this must be done by only you. This group was created to help solve a problem that has been tried and...

Haven't said that, the person in need must upload his/her solution (s), then he/she can be guided on what to do.

My thought tho!

Re: Nairaland Mathematics Clinic by ladokuntlad(m): 10:01am On Apr 28, 2016

Ajibade105:
This is a tutorial questions and this must be done by only you. This group was created to help solve a problem that has been tried and...

Haven't said that, the person in need must upload his/her solution (s), then he/she can be guided on what to do.

My thought tho!

At bolded. Thank God u said my tota.

Dis forum is to assist in any mathematics related problem.
B it homework, griup work or tutorials.
So far its a problem. We wil try our best possible to help solve it.

We don't discriminate as to wich problem is to be solved.

4 Likes

Re: Nairaland Mathematics Clinic by UTILITYMAY(m): 8:03pm On Apr 28, 2016

Pls friends, i need solution to this problem... Thanks.

The angle at the top is 108 while the bottom is 40.

Find x.

Re: Nairaland Mathematics Clinic by Nobody: 8:50pm On Apr 28, 2016

Ajibade105:
This is a tutorial questions and this must be done by only you. This group was created to help solve a problem that has been tried and...

Haven't said that, the person in need must upload his/her solution (s), then he/she can be guided on what to do.

My thought tho!

Bro! I'm trying hard, even though I've got solutions to some, but it would be great for u to help...
I'm just in 100L and I still av some tough questions that I can't solve. And my exam is FAST approaching!!!
Pls I really need help

Re: Nairaland Mathematics Clinic by UnibenPilot: 9:56pm On Apr 28, 2016

UTILITYMAY:
Pls friends, i need solution to this problem... Thanks.

The angle at the top is 108 while the bottom is 40.

Find x.

148

Re: Nairaland Mathematics Clinic by Joe82834(m): 7:51am On Apr 29, 2016

UTILITYMAY:
Pls friends, i need solution to this problem... Thanks.

The angle at the top is 108 while the bottom is 40.

Find x.

108+40= 148

1 Like

Re: Nairaland Mathematics Clinic by Joe82834(m): 8:19am On Apr 29, 2016

Masterkolinks:
Anyone with a solution to any of these questions? U can ans any one. Its not compulsory to ans all

Make I try small

Re: Nairaland Mathematics Clinic by Joe82834(m): 10:25am On Apr 29, 2016

Masterkolinks:
Anyone with a solution to any of these questions? U can ans any one. Its not compulsory to ans all

Number 7 shd look like this

Re: Nairaland Mathematics Clinic by Nobody: 7:16pm On Apr 29, 2016

Thanks to u all. U av d time to read the questions and attempt them, I'm really grateful..
But that is not all, I still have problem that I can't solve in ALGEBRA, especially:
mathematical induction,
sets (proofs)
and little of binary operations & complex num..
Pls can I post d question?

"I really wanna get A in mathematics in my first yr"

Re: Nairaland Mathematics Clinic by Joe82834(m): 8:03pm On Apr 29, 2016

Masterkolinks:
Thanks to u all. U av d time to read the questions and attempt them, I'm really grateful..
But that is not all, I still have problem that I can't solve in ALGEBRA, especially:
mathematical induction,
sets (proofs)
and little of binary operations & complex num..
Pls can I post d question?

"I really wanna get A in mathematics in my first yr"

Anyone is free to post questions bro.and u didn't say a thing on d ones solved.Remember u said u already have answers to some,so it will b nice to specify which

Re: Nairaland Mathematics Clinic by Nobody: 10:06pm On Apr 29, 2016

Joe82834:

Anyone is free to post questions bro.and u didn't say a thing on d ones solved.Remember u said u already have answers to some,so it will b nice to specify which

I can solve questions 1a, 2 & the last question
I've learnt d solutions u posted and I believe its correct (u knw, no lecturer will give u solutions here in my sch)
But I'm in need of num 4 solution badly. that one looks more confusing.

BTW, anyone here who can prove d equation of the binomial expansion through mathematical induction?
(I've searched d net and I don't understand d way they did it) and I bet this question is coming out in our exam

1 Like

Re: Nairaland Mathematics Clinic by gowaga68: 11:38am On May 01, 2016

I've got some mathematical questions to ask put its on PDF how can I upload it here?

Re: Nairaland Mathematics Clinic by DatechMan(m): 12:06pm On May 01, 2016

gowaga68:
I've got some mathematical questions to ask put its on PDF how can I upload it here?

If it's less than 250 kb just attach. If not, change to jpg and upload

1 Like

Re: Nairaland Mathematics Clinic by gowaga68: 2:28pm On May 01, 2016

find attached my questions.

Re: Nairaland Mathematics Clinic by ENGRDUDU89(m): 2:49pm On May 01, 2016

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Re: Nairaland Mathematics Clinic by Joe82834(m): 6:34am On May 03, 2016

gowaga68:
find attached my questions.

Downloaded it twice but its saying can't open file.

Re: Nairaland Mathematics Clinic by Sirneij(m): 1:54am On May 08, 2016

IF THIS THREAD HAS GROUP ON WHATSAPP,ADD ME. MY NUMBER IS 08146359073

Re: Nairaland Mathematics Clinic by petengine(m): 7:50pm On May 08, 2016

Are you smarter than grade A student?

Re: Nairaland Mathematics Clinic by glorieazy(m): 7:21am On May 13, 2016

The National Mathematics Competition for 2016 has come and gone. Bayero University has emerged 3rd at the 2016 National Mathematics Competition, which took place from 3rd to 9th April, 2016. This was disclosed in a statement released by the Head of Mathematics Department, Dr. Bashir Ali.A letter with reference number BUK/SCI/MTH/NMC/020, dated, 4th May, 2016. He noted that the competition, which was organised by the National Mathematics Centre, Abuja, was an annual event being participated by students across Nigerian Universities.

Going by the statement given, Federal University of Technology, Akure came first while University of Ilorin and University of Uyo jointly emerged second out of the 24 universities that participated in the competition.The statement added that the Bayero University team consisted of Dahiru Abdurrahman-SCI/12/MTH/00002, who got a Gold Medal and took third position out of 96 participants while Sahura Badamasi Muhammad-SCI/12/MTH/00027 and A‟isha Ibrahim Sulaiman-SCI/12/MTH/00126 bagged a Silver Medal each after emerging 9thand 27th, respectively. Also, Ibrahim Abdulfatah-SCI/12/MTH/00002 bagged a Bronze Medal after he emerged 38th in the competition. The leader of the team, according to the statement, was Dr. Ma‟aruf S. Minjibir.
CLICK HERE TO SEE THE FULL LIST =>>>> http://www.nairaleader.com/2016/05/apply-for-scholarship-dont-miss-out_12.html?m=1

Re: Nairaland Mathematics Clinic by LordPherule(m): 8:05am On May 14, 2016

Omo FUTA naa owo re soke! I rep FUTA MTS. Those dudes made us proud.

Re: Nairaland Mathematics Clinic by UTILITYMAY(m): 7:31pm On May 18, 2016

Pls i need solution to this problem... Thanks

Re: Nairaland Mathematics Clinic by Umartins1(m): 8:18pm On May 19, 2016

UTILITYMAY:
Pls i need solution to this problem... Thanks

I represent titre with x because I don't have the titre sign on my phone.
.
1-cosx. 1-cosx
________ X. ________
1+ cosx. 1-cosx

1-cosx-cosx+cos²x
___________________________
1-cosx+cosx-cos²x

1-2cosx+cos²x
_________________________
1-cos²x

Recall that 1-cos²x= sin²x

1-2cosx+cos²x
_________________________
sin²x

1/sin²x - 2cosx/sin²x + cos²x/sin²x [dividing through by sin²x]

1/sin²x - 2. Cosx/sinx . 1/sinx + cos²x/sin²x

Cosec²x -2cotxcosecx+cot²x

Recall that cosec²x= 1+cot²x

1+cot²x - 2cotxcosecx + cot²x

1+cot²x + cot²x - 2cotxcosecx

1+2cot²x-2cotxcosecx

1+2cotx(cotx-cosecx)

2cotx(cotx-cosecx)+1

Proven!

1 Like 1 Share

Re: Nairaland Mathematics Clinic by Umartins1(m): 8:45pm On May 19, 2016

Endeavour to roll some more.

Re: Nairaland Mathematics Clinic by LordeCalifornia: 1:07pm On May 23, 2016

Joe82834:

Number 7 shd look like this

your assistance is needed, kind sir cc thankyoujesus

Re: Nairaland Mathematics Clinic by Joe82834(m): 2:32pm On May 23, 2016

LordeCalifornia:

your assistance is needed, kind sir
cc thankyoujesus

Well I think a shd be 2

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