If y=1-x+(x^2)/(2!) -(x^3)/(3!)+(x^4)/(4...

If `y=1-x+(x^2)/(2!) -(x^3)/(3!)+(x^4)/(4!)…..` then `(d^2y)/(dx^2)=`

A

x

B

`-x`

C

`-y`

D

y

Text Solution

Verified by Experts

The correct Answer is:

D

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