If y=x^(2)+2x+3," then "(d^(2)x)/(dy^(2)...

If `y=x^(2)+2x+3," then "(d^(2)x)/(dy^(2))`

A

`1/(2(x+1)^(3))`

B

`-1/(4(x+1)^(3))`

C

`1/2`

D

`1/(8(x+1)^(4))`

Verified by Experts

The correct Answer is:

B

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