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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 Nobody: 2:52pm On Oct 03, 2015 |
faro02455:Kreysig's book can be found here: http://faculties.sbu.ac.ir/~sadough/pdf/Advanced%20Engineering%20Mathematics%2010th%20Edition.pdf Isaacson's book: http://imtk.ui.ac.id/wp-content/uploads/2014/02/Numerical-Methods-Isaacson-Keeler.pdf Kincaid: http://ir.nmu.org.ua/bitstream/handle/123456789/129664/3492b757a4472728fdde443855b0cd93.pdf%3Fsequence%3D1&sa=U&ved=0CAsQFjAAahUKEwiZnK6muqbIAhXHpYgKHcb9ARw&sig2=hK8gMpRawHg7rYkJ1gu21g&usg=AFQjCNG21-BmE-iQji5YNciTOeWN9yuq_Q |
Re: Nairaland Mathematics Clinic by faro02455(m): 4:19pm On Oct 03, 2015 |
Karmanaut:...the coefficients are correct but the variables are not x,y and z but x1, x2 and x3... |
Re: Nairaland Mathematics Clinic by killsmith(f): 6:31pm On Oct 04, 2015 |
Prove that every open interval.... In fact the borel set is measurable..... |
Re: Nairaland Mathematics Clinic by ElectGINeer(m): 5:52pm On Oct 05, 2015 |
Please I need an explanatory solution. It is among the questions in the just concluded post utme. Richiez, Robinhez, Dekatron, Johnydon22, Acorntree, Teempakguy. Agentofchange1. So that I would be able to solve it if I meet its like.
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Re: Nairaland Mathematics Clinic by agentofchange1(m): 6:19pm On Oct 05, 2015 |
ElectGINeer:2 |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 11:53pm On Oct 05, 2015 |
ElectGINeer: from standard integrals, int.(ax loga) dx =ax + c thus,int.(3x log3) dx =3x for 0<x<1 =3-1 =2. that's all . hope you get |
Re: Nairaland Mathematics Clinic by Nobody: 1:09am On Oct 06, 2015 |
agentofchange1: ElectGINeer: |
Re: Nairaland Mathematics Clinic by Nobody: 1:11am On Oct 06, 2015 |
faro02455:then let x1 = x, x2 = y, x3 = z |
Re: Nairaland Mathematics Clinic by ElectGINeer(m): 2:27am On Oct 06, 2015 |
agentofchange1:I am grateful. |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 6:31am On Oct 06, 2015 |
ElectGINeer:uwc bro |
Re: Nairaland Mathematics Clinic by Misanthrope: 9:51am On Oct 13, 2015 |
Given f(x) = 2x + 3 and g(x) = -x^2 + 5, find (g o f)(x) |
Re: Nairaland Mathematics Clinic by Nobody: 10:18am On Oct 13, 2015 |
Misanthrope: DEFINITION. For functions f and g, define (g o f)(x), the composition of g and f, (gof)(x) = g (f(x)) Apply f to x. Get f(x). Apply g to f(x). Get g (f(x)). g is the outer function; f is the inner function. In layman terms to get (gof)(x) just substitute the function f(x) for x in g(x) To your question: (gof)(x) = - (2x+3)2 + 5 (gof) (x) = - (4x2 +12x + 9) + 5 (gof) (x) = -4×2 - 12x - 9 +5 (gof) (x) = -4×2 - 12x - 4 |
Re: Nairaland Mathematics Clinic by Misanthrope: 10:56am On Oct 13, 2015 |
Let f = {(–2, 3), (–1, 1), (0, 0), (1, –1), (2, –3)} and
let g = {(–3, 1), (–1, –2), (0, 2), (2, 2), (3, 1)}. Find (i) ( f o g)(0), (ii) ( f o g)(–1), and (iii) (g o f )(–1). |
Re: Nairaland Mathematics Clinic by Nobody: 11:17am On Oct 13, 2015 |
Misanthrope: i) (fog)(0) = f(g(0)) g(0) = 2 f(2) = -3 (fog)(0)=-3 ii) (fog)(-1) = f(g(-1)) g(-1) = -2 f(-2) = 3 (fog)(-1) = 3 iii) (gof)(-1) = g(f(-1)) f(-1) = 1 g(1) does not exist. (gof)(-1) is undefined. |
Re: Nairaland Mathematics Clinic by Misanthrope: 11:57am On Oct 13, 2015 |
Write down the expansion of (1+x)n as as far as the term x3 B) Using the first two terms of the expansion above, find to two decimal places, an approximate value of Square root 3.96. (C) If n+1Cn-1 = 28, find the value of n. |
Re: Nairaland Mathematics Clinic by Arithmetic(m): 11:00pm On Oct 13, 2015 |
Misanthrope: A. (1+x)n = 1 + nx + n(n-1)/2.x2 + n(n-1)(n-2)/6.x3 + ... B. put n= 1/2, x=2.96... C. n=7. |
Re: Nairaland Mathematics Clinic by Sirneij(m): 4:53pm On Oct 18, 2015 |
If you'll be writing 2016 Jamb and will choose The first and The best University in Nigeria,UNIVERSITY OF IBADAN, and you want to get the tips and tricks for passing her putme,click on http://ngschoolportal.com/p/3118/university-of-ibadan-2016-2017-aspirants-thread/2 and join the thread.Do you also have some questions bothering you?Put them down and answers will be proferred! |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 3:51pm On Oct 20, 2015 |
hey guys , greetings all, pls solve the below 1. 4xy' ' +2y '=y=0 2)2xy" + 3y' -y= 0 by frobenius series method tnx. |
Re: Nairaland Mathematics Clinic by ayokunlei(m): 4:32pm On Oct 20, 2015 |
Please help solve : integral of 1/ (1+tanx)dx cc: umartins1, agentofchange1, mathefaro, laplacian, Karmanut and others... Thanks |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 11:08pm On Oct 20, 2015 |
ayokunlei: |
Re: Nairaland Mathematics Clinic by Nobody: 12:15am On Oct 21, 2015 |
agentofchange1:I'll assume that number 1 question is: 4xy" + 2y' + y = 0. Attached is the solution for question 1. Took 3 Leaves (6 pages to solve)
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Re: Nairaland Mathematics Clinic by Nobody: 12:41am On Oct 21, 2015 |
Continuation of question 1.
Pardon my handwriting.
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Re: Nairaland Mathematics Clinic by agentofchange1(m): 7:32am On Oct 21, 2015 |
Karmanaut: yes boss, tnx alot, av solved it already. but i used slightly diff. approach, however the same results still holds... used about 4.5 pages long.. ( maybe, i post it later) . got like 3more to solve, will try them now, but leme post them so u could help out where am stuck. tnx 4ur effort... bless ya... |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 7:37am On Oct 21, 2015 |
Solve by Frobenius series method a) 2xy" +(1-2x^2)y'-4xy =0 b) 3x^2 y" +2xy' + x^2 y =0 c) 2xy" -y'-y =0 tnx.zz |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 8:11am On Oct 21, 2015 |
here ayokunlei:
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Re: Nairaland Mathematics Clinic by agentofchange1(m): 8:29am On Oct 21, 2015 |
here
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Re: Nairaland Mathematics Clinic by agentofchange1(m): 8:32am On Oct 21, 2015 |
and
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Re: Nairaland Mathematics Clinic by Nobody: 9:28am On Oct 21, 2015 |
agentofchange1:Same answer. Will do the rest later, perhaps this night. |
Re: Nairaland Mathematics Clinic by ayokunlei(m): 9:41am On Oct 21, 2015 |
agentofchange1:thanks alot |
Re: Nairaland Mathematics Clinic by rhydex247(m): 12:48pm On Oct 21, 2015 |
[quote author=agentofchange1 post=39172468]hey guys , greetings all, pls solve the below 1. 4xy' ' +2y '=y=0 Answer: Y1(x)=ao[1-x/2+x^2/24-....] and Y2(X)= aox^1/2[1-x/6+x^2/120- ....] the general solution is given by Y(x)= Y1(x)+Y2(x) |
Re: Nairaland Mathematics Clinic by chiboc1: 4:55pm On Oct 21, 2015 |
100L maths lol..
I rep geology, Osun state uni.
Come lets reason like a GEOLOGIST! |
Re: Nairaland Mathematics Clinic by tetralogyfallot(m): 8:56pm On Oct 21, 2015 |
Gurus, help me solve this question please.
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