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lf y = y(x)and (2+sin x)/((y+1)) (dy...

lf y = y(x)and
`(2+sin x)/((y+1)) (dy)/(dx) = -cos x, y (0) = 1` then `y(pi/2)` is equal to

A

`1/3`

B

`3/2`

C

`1/4`

D

`2/5`

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The correct Answer is:
A
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