Question

PLEASE SOLVE THIS TOMORROW IS MY EXAM​

Answer 1

Answer:

solution:-

£ e^x(1/x -1/x²) dx

by using identity,

£e^x(fx+f'x)dx=e^x.fx+C

putting, f(x) =1/x

f'(x) =-1/x²

thus, £e^x(1/x -1/x²) dx=e^x/x +C.

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