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Nairaland Mathematics Clinic - Education (166) - Nairaland

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Re: Nairaland Mathematics Clinic by DeeCherry(f): 12:31pm On Feb 25, 2015
agentofchange1:


OK dear in a bus now...let's sha .

using separable variables,

=> dx /dx = (4+y^2)(sec^2 x)/(ytanx)

=> dy/dx =(sec^2 x)/(tanx) * (4+y^2)/y

=> ydy/(4+y^2) = (1/cos^2 x)/(tanx)dx


now take integral of both sides

guess you finish up from dia... right .?



yes I can but I want a full solution. pls

Re: Nairaland Mathematics Clinic by DeeCherry(f): 12:33pm On Feb 25, 2015
agentofchange1:


OK dear in a bus now...let's sha .

using separable variables,

=> dx /dx = (4+y^2)(sec^2 x)/(ytanx)

=> dy/dx =(sec^2 x)/(tanx) * (4+y^2)/y

=> ydy/(4+y^2) = (1/cos^2 x)/(tanx)dx


now take integral of both sides

guess you finish up from dia... right .?



yes I can but I want a full solution. pls
Re: Nairaland Mathematics Clinic by agentofchange1(m): 12:50pm On Feb 25, 2015
DeeCherry:


yes I can but I want a full solution. pls

using separable variables,
=> dy /dx = (4+y^2)(sec^2 x)/(ytanx)
=> dy/dx =(sec^2 x)/(tanx) * (4+y^2)/y
=> ydy/(4+y^2) = (sec^2 x)/(tanx)dx

integrating both sides we have

=>1/2ln(4+y^2) = ln(tanx) +lnC

= ln√(4+y^2) =ln(Ctanx)

= > √(4+y^2) = Ctanx.

or y^2 = (Ctanx)^2 -4

that's it

hope u get .?

or needs more explanations.?
Re: Nairaland Mathematics Clinic by rhydex247(m): 1:19pm On Feb 25, 2015
Gud afternoon to u all.
I need more info on this. i will b glad for a quick respond.
Where can we do an Industrial traning as a mathematics student. and hw can we apply for it?
U can also help with the salary involved in each of d firm.
Re: Nairaland Mathematics Clinic by Nobody: 3:19pm On Feb 25, 2015
ok.I will re.send the P.m.
agentofchange1:



oh...sorry....my bad...

its R3 -R2 rather.....don't know what I was thinking when I wrote that..

correct it plz....thanks for drawing my attention.
Re: Nairaland Mathematics Clinic by Nobody: 3:22pm On Feb 25, 2015
It is not all about the salary bro;it's about the knowledge you gain.You can do it with Revenue or tax department.
rhydex247:
Gud afternoon to u all.
I need more info on this. i will b glad for a quick respond.
Where can we do an Industrial traning as a mathematics student. and hw can we apply for it?
U can also help with the salary involved in each of d firm.
Re: Nairaland Mathematics Clinic by mikkymax20(m): 6:45pm On Feb 25, 2015
From one fraction of the four square, which result to the bigger square, note;

6 + x = 4 + y (sides of square)

Taking a sketch of another circle equidistance from d bigger and d smaller circle the radius of the bigger circle will be bisect into three equal partsm

So we have

6 + x = 6 + 3 = 9

But we know;

6 + x = 4 + y

6 + 3 = 4 + y

Y = 9 - 4

Y = 5


But area of a square = L x L = 9 x 9 = 81cm^2

So that area of the bigger square. = 4 x area of single square

= 4 x 81 = 324cm^2
Re: Nairaland Mathematics Clinic by rashywire: 8:48pm On Feb 25, 2015
pls help with this,
find d nth term of d sequence : 9,25,47,....
Re: Nairaland Mathematics Clinic by benji93: 8:59pm On Feb 25, 2015
mikkymax20:
From one fraction of the four square, which result to the bigger square, note;

6 + x = 4 + y (sides of square)

Taking a sketch of another circle equidistance from d bigger and d smaller circle the radius of the bigger circle will be bisect into three equal partsm

So we have

6 + x = 6 + 3 = 9

But we know;

6 + x = 4 + y

6 + 3 = 4 + y

Y = 9 - 4

Y = 5


But area of a square = L x L = 9 x 9 = 81cm^2

So that area of the bigger square. = 4 x area of single square

= 4 x 81 = 324cm^2
let me give you a hint,complete the triangle by joining the dip points,then by applying circle theorem you have the upper angle gives you 90 degrees,then you can use congruent shapes to find the radius of the larger circle and then the area of the square
Re: Nairaland Mathematics Clinic by benji93: 9:00pm On Feb 25, 2015
DeeCherry:


yes I can but I want a full solution. pls
your question is incomplete,what are you finding?
Re: Nairaland Mathematics Clinic by agentofchange1(m): 9:03pm On Feb 25, 2015
rashywire:
pls help with this,
find d nth term of d sequence : 9,25,47,....

re-check the question guess its 9,25 ,49,. . . . it that .?
Re: Nairaland Mathematics Clinic by benji93: 9:09pm On Feb 25, 2015
rashywire:
pls help with this,
find d nth term of d sequence : 9,25,47,....
are you sure the 3rd term of the sequence is not 49
Re: Nairaland Mathematics Clinic by benji93: 9:10pm On Feb 25, 2015
benji93:
are you sure the 3rd term of the sequence is not 49
if its 49 then its (2n+1)^2
Re: Nairaland Mathematics Clinic by benji93: 9:24pm On Feb 25, 2015
(12345678*12345678)-(12345676*12345680)
Re: Nairaland Mathematics Clinic by benji93: 9:24pm On Feb 25, 2015
benji93:
(12345678*12345678)-(12345676*12345680)
what is the simplest way of solving the above
Re: Nairaland Mathematics Clinic by agentofchange1(m): 9:42pm On Feb 25, 2015
Onase:
ok.I will re.send the P.m.

OK bro.

or you cud.send it via. benbuks10@gmail.com
Re: Nairaland Mathematics Clinic by PeyButtons(f): 11:30pm On Feb 25, 2015
I I I I LOVE MATHEMATICS!
Re: Nairaland Mathematics Clinic by Nobody: 10:56am On Feb 26, 2015
Re: Nairaland Mathematics Clinic by agentofchange1(m): 11:07am On Feb 26, 2015
Re: Nairaland Mathematics Clinic by agentofchange1(m): 11:09am On Feb 26, 2015
PeyButtons:
I I I I LOVE MATHEMATICS!

I love its beauty & complexities
Re: Nairaland Mathematics Clinic by Nobody: 11:50am On Feb 26, 2015
agentofchange1:


yes.


oya go try it!
Re: Nairaland Mathematics Clinic by agentofchange1(m): 11:53am On Feb 26, 2015
jauntee02:


oya go try it!

why .?
Re: Nairaland Mathematics Clinic by agentofchange1(m): 12:21pm On Feb 26, 2015
kinda cheep I guess

I bought 6lamps from the market , positioned them at 6corners of a dark hexagonal-building at about 8:30pm all lamps functioning well, using all/any of the lamps . in how many ways can the building be illuminated ?


answer asap..
Re: Nairaland Mathematics Clinic by Nobody: 3:06pm On Feb 26, 2015
Type mathematics easily on my website www.adigunsherif.com/maths by typing maths e.g `sqrt(5) + int(8x)` and see it turn into real maths equatn as u submit it. Check it out now now! Maths Is interestng over there. No more take a pics. Just put ur equatn within ` not '. Test it out now.
Re: Nairaland Mathematics Clinic by agentofchange1(m): 3:11pm On Feb 26, 2015
jauntee02:
Type mathematics easily on my website www.adigunsherif.com/maths by typing maths e.g `sqrt(5) + int(8x)` and see it turn into real maths equatn as u submit it. Check it out now now! Maths Is interestng over there. No more take a pics. Just put ur equatn within ` not '. Test it out now.

wow like seriously ,..? gonna try it asap.

that's what Oga seun ought to have done here...

thanks man.
Re: Nairaland Mathematics Clinic by Videx1: 4:54pm On Feb 26, 2015
Who can please explain infinite series using covergence e.t.c.... With example
Re: Nairaland Mathematics Clinic by bolkay47(m): 7:31pm On Feb 26, 2015
agentofchange1:
kinda cheep I guess

I bought 6lamps from the market , positioned them at 6corners of a dark hexagonal-building at about 8:30pm all lamps functioning well, using all/any of the lamps . in how many ways can the building be illuminated ?


answer asap..
56ways?
Re: Nairaland Mathematics Clinic by randwise(m): 8:51pm On Feb 26, 2015
1/x[(x½/2)(1+x)-½ - (x-½/2)(1+x)½]
Pls, simplify.

Re: Nairaland Mathematics Clinic by Videx1: 10:02pm On Feb 26, 2015
please who can explain infinite series for me using convergence, divergence e.t.c with examples..
Re: Nairaland Mathematics Clinic by bolkay47(m): 5:30am On Feb 27, 2015
randwise:
1/x[(x½/2)(1+x)-½ - (x-½/2)(1+x)½]
Pls, simplify.
-1/{2x^2+2x^3}^1/2
Re: Nairaland Mathematics Clinic by Nobody: 8:05am On Feb 27, 2015
randwise:
1/x[(x½/2)(1+x)-½ - (x-½/2)(1+x)½]
Pls, simplify.

solving this question for him here makes sense a lot. http://adigunsherif.com/maths/please-help-him-simplify-this I just copied the question above, wrap it in `` and see it turn into mathematics. no stress at all. so please help him solve the question by typing it and wrapping everything in ``. it's easier typing mathematics over there

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