If y=x/(x+1)+(x+1)/(x), then (d^(2)y)/(d...

If `y=x/(x+1)+(x+1)/(x)`, then `(d^(2)y)/(dx^(2))` at x = 1 is equal to a)`7/(4)` b)`7/(8)` c)`1/(4)` d)`(-7)/(8)`

A

`7/(4)`

B

`7/(8)`

C

`1/(4)`

D

`(-7)/(8)`

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The correct Answer is:

D

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