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If sqrt(x+y)+sqrt(y-x)=c , then (d^2y)/...

If `sqrt(x+y)+sqrt(y-x)=c` , then `(d^2y)/(dx^2)` =

A

`(1)/(y)((dy)/(dx))^(2)`

B

`(-c^(4))/(4y^(2))`

C

`y((dy)/(dx))^(2)`

D

`(-c^(2))/(4y^(3))`

Text Solution

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The correct Answer is:
B
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