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Mathematics Question by Aguemma(m): 6:36pm On Nov 23, 2018 |
Maths gurus plz help x+y= 5 y^2+x^y=17 Find x and y
x=2,y=3 x=3,y=2
Plz help me out. thanks in advance. |
Re: Mathematics Question by Kaylhey20: 9:11pm On Nov 23, 2018 |
Aguemma:I have solved the question. Are you sure of those values of x and y you put there. Cos the real solution (at least the answer I got ) is x =1 and y=4. Will post my solution tomorrow. It is really lengthy. Thanks 2 Likes 1 Share |
Re: Mathematics Question by Aguemma(m): 9:23pm On Nov 23, 2018 |
Thanks |
Re: Mathematics Question by GreatArchy: 8:37pm On Nov 25, 2018 |
The answer to the above question is x=2 and y=3, Although this question is a bit simple, but requires a good knowledge on numerical techniques. You have to apply the usual substitution method for solving simultaneous equation, and the resulting equation becomes a transcendental equation that is equation contains an algebraic term and a logarithmic term, such equations can not be solved with the usual way because it becomes cumbersome using Maclaurin's series to do your expansions which can be prone to human error, hence you apply a numerical method to that equation may be you can work with Newton's raphson method and you get your answers in a GV as x =2 and y=3 |
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