plz solve both and do fast 20. Let ya (x) be a polynomial approximation,involving only one coordinate function, for thefunctional 1(y) = }Gr-ydx; y(0)- 0,y (1) = 0, using Rayleigh-Ritz method; hereye C [0, 1]. If y.(x)is an exact extremizingfunction, then y, and Yor are coincident at(a)x 0 but not at remaining point in [0,1](b)x =1 but not at remaining points in[0,1](c)x = 0 and xx=1, but not at other pointsin [0,1](d)All point xe[0, 1]21. The extremal of dt ; x(1) = 3, x (2) =18(where i=dx) using Lagrange's equation isdt24given by which of the following?(a)x=t +215(b)(c)x= 5t? -2(d)x= 5t + 3

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Answered: 20. Let yapp (x) be a polynomial…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter7: Analytic Trigonometry

Section7.6: The Inverse Trigonometric Functions

Problem 91E

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20. Let yapp (x) be a polynomial approximation, involving only one coordinate function, for the I(4) = G -y) dx; y(0) - 0, d%3B y(1) = 0, using Rayleigh-Ritz method; here