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if f(x) = x^n then the value of f(1) - (...

if `f(x) = x^n` then the value of `f(1) - (f'(1))/(1!) + (f''(1))/(2!) + ---+((-1)^n f''^--n times (1))/(n!)`

A

1

B

`2^(n)`

C

`2^(n-1)`

D

0

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The correct Answer is:
D
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