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If sqrt(y)=cos^(-1)x, then it satisfies ...

If `sqrt(y)=cos^(-1)x`, then it satisfies the differential equation `(1-x^(2))(d^(2)y)/(dx^(2))-x(dy)/(dx)=c`, where c is equal to-

A

0

B

3

C

1

D

2

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