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Exam Questions Papers - Engineering

Q1:

The recursion relation to solve x = e-x using Newton Raphson method is

A Xn+1 = e-xn

B Xn+1 = Xn - e-xn

C

D

ANS:C -

f(xn) = xne-xn f(xn) = 1 + e-xn f'(xn) = 1 + e-xn