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Re: Nairaland Mathematics Clinic by fawaz050(m): 8:46pm On Mar 08, 2016 |
ladokuntlad:thanks bro,but how do i choose x0 when i want to get x1 or i just assume an interval lets say the value of x is between d interval 2<x<3..do i use 2 or 2.1 as d initial value cos all d question m seeing online dey had initial values |
Re: Nairaland Mathematics Clinic by ladokuntlad(m): 9:23pm On Mar 08, 2016 |
fawaz050:Yes u xan use any number for a guess. It will converge to d reall number after few iterations |
Re: Nairaland Mathematics Clinic by fawaz050(m): 9:47pm On Mar 08, 2016 |
ladokuntlad:thank you sir |
Re: Nairaland Mathematics Clinic by seuntosyn: 7:58pm On Mar 16, 2016 |
solve completely the equation
x + y + z=1
x^2 + y^2+ z^2=35
x^3+ y^3 + z^3=97 pls help me out |
Re: Nairaland Mathematics Clinic by seuntosyn: 8:00pm On Mar 16, 2016 |
seuntosyn: |
Re: Nairaland Mathematics Clinic by thankyouJesus(m): 9:40pm On Mar 16, 2016 |
seuntosyn:we don solve this b4 na |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 11:16pm On Mar 16, 2016 |
seuntosyn: (x, y ,z)= ( -1 , -3 , 5) 1 Share
|
Re: Nairaland Mathematics Clinic by makasimatics(m): 7:00am On Mar 17, 2016 |
checkout this algorithm developed by a Nigerian http://familyesperience..com/2016/03/a-boy-developes-new-algorithm-which.html |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 7:46am On Mar 17, 2016 |
makasimatics: nice1,. what about system of equations of the form x+y+z=a x2 + y2 +z2 =b x 3 +y3 +z3 = c . . . xn + yn. +zn = R or more generally, x1 +x2 + . . .+ xr= a1 x1 2 + . . .+xr2 = a2 . . .x1 n +x2n +. . .+xr n = am. |
Re: Nairaland Mathematics Clinic by BobUg28(m): 9:25am On Mar 17, 2016 |
Please what's the best eMathematics website/ blog. I need somewhere I can share my thoughts and problems with my follow mathematics prospects. 1 Like |
Re: Nairaland Mathematics Clinic by seuntosyn: 2:36pm On Mar 17, 2016 |
agentofchange1:thanks so much |
Re: Nairaland Mathematics Clinic by OgaLuk: 3:01pm On Mar 17, 2016 |
kudos dudes |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 8:05pm On Mar 17, 2016 |
seuntosyn:u welcome buddy.... |
Re: Nairaland Mathematics Clinic by faro02455(m): 2:20am On Mar 18, 2016 |
Need an assistance on this : determine the roots of f(x)=x^3-10x^2+5=0 that lies in (0.6, 0.8 ) Using newton-ralphson. And using the reduction function to have the values of your x. |
Re: Nairaland Mathematics Clinic by fawaz050(m): 8:11am On Mar 18, 2016 |
faro02455:after some iterations i got this x=0.734603507789 i took 0.7 as d initial value |
Re: Nairaland Mathematics Clinic by makasimatics(m): 3:09pm On Mar 18, 2016 |
the method works for all 3 by 3 unique system,and not one linear,one quadratic, one cubic equation like u asked. u that asked," would cramer's rule work in the one u showed me"?, text my method by sending any 3 by 3 linear equations. |
Re: Nairaland Mathematics Clinic by seuntosyn: 12:02pm On Mar 19, 2016 |
agentofchange1:Pls in which Topic can I find that equation |
Re: Nairaland Mathematics Clinic by ayokunlei(m): 4:11pm On Mar 19, 2016 |
please, help me solve this. Its part of the proving for the mean and variance of negative binomial. Find the 1st derivative with respect to (t) Agentofchange1
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Re: Nairaland Mathematics Clinic by hozeinbasit: 6:29pm On Mar 19, 2016 |
pls ds word problem disturbing me since hlp me work it out. Ade has 4times books as many as daniel 5times as bose.if bose has 40books wat x d least number of books dat Ade has |
Re: Nairaland Mathematics Clinic by achemomi: 5:52pm On Mar 20, 2016 |
Hi maths gurus, am new in this forum, & I just started my 1st year in the uni where I study computer science which has so many tough maths related to it. There is this objective questions am given to solve. I have solved so many of them except 2 which has to do with intergration. I'll be fine if u guys can welcome me with the solutions. The questions are as follows: (1)Intergrate {tan^3x.sec^3x dx Options: A tan^2x + 1 B cot^2x + 1 C sec^2x D sec^2x (2)Intergrate {xcosax^2 dx A cos^3x + c B sin2x + c C sec^2x + 1 D1/2(asinax^2) + c Pls u can use { as the integration symbol since it can't be found in this text editor. Thanks in advance |
Re: Nairaland Mathematics Clinic by faro02455(m): 7:38pm On Mar 20, 2016 |
fawaz050:yh...did you use reduction formula? |
Re: Nairaland Mathematics Clinic by fawaz050(m): 8:28pm On Mar 20, 2016 |
faro02455:Newton's method is what i used o..which one is reduction formular again..i be novice o |
Re: Nairaland Mathematics Clinic by fawaz050(m): 8:46pm On Mar 20, 2016 |
achemomi:OOps my answers are not even in d options. 1)secx^5/5-secx^3/3 {tanx^3secx"3dx ={tanx"2secx"2tanxsecxdx since tanx"2=secx"2-1 {(secx"2-1)secx"2tanxsecxdx u=secx du=tanxsecxdx {(u^2-1)u^2du {(u^4-u^2)du=u^5/5-u^3/3 since u=secx {tanx"3secx"3=secx"5/5-secx"3/3 n.b " means raise to power 2)a/2(x(cosxsinx+x)+1/2(sinx^2+x^2))..chai olodo ni mi for this i assumed a to be a constant since we r integrating with respect to x using integration by part take u to be x and dv to be cosx"2 then solve P:s..u can confam frm bosses as i b novice o |
Re: Nairaland Mathematics Clinic by seuntosyn: 10:44pm On Mar 20, 2016 |
[quote author=seuntosyn post=43832695][/quote]
In which topic can I find the equation |
Re: Nairaland Mathematics Clinic by thankyouJesus(m): 12:29pm On Mar 21, 2016 |
achemomi:for 2 use algebraic substitution method, take u=ax^2. 1. Make tan^2x to be in sec form, then let u=the last tan. I am in 100L also, what school? 1 Like |
Re: Nairaland Mathematics Clinic by thankyouJesus(m): 12:38pm On Mar 21, 2016 |
ayokunlei:type it out cos of my bad phone. |
Re: Nairaland Mathematics Clinic by ladokuntlad(m): 9:30pm On Mar 21, 2016 |
ayokunlei: 1 Like
|
Re: Nairaland Mathematics Clinic by ladokuntlad(m): 9:54pm On Mar 21, 2016 |
achemomi:bro its either u typed d wrong question or d options above are wrong qstn 1 has a totally different ansa |
Re: Nairaland Mathematics Clinic by ayokunlei(m): 1:15am On Mar 22, 2016 |
[quote author=ladokuntlad post=43985709][/quote] thanks alot, I appreciate |
Re: Nairaland Mathematics Clinic by fawaz050(m): 10:06am On Mar 22, 2016 |
ladokuntlad:yes |
Re: Nairaland Mathematics Clinic by achemomi: 8:42pm On Mar 22, 2016 |
ladokuntlad:I typed the questions and options well. Even I myself thought either the questions or the answers contain some errors. That's why i say I should confirme from u guys. Thanks alot |
Re: Nairaland Mathematics Clinic by ladokuntlad(m): 9:27pm On Mar 22, 2016 |
achemomi:Snap the question and upload |
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