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1+(dy)/(dx)=cos(x+y), where x+y=u...

`1+(dy)/(dx)=cos(x+y),` where `x+y=u`

A

`-cos(x+y)=x+c`

B

`-cot^(2)(x+y)=x+c`

C

`x+sin(x+y)=c`

D

`(x+y)+cos(x+y)=c+c`

Text Solution

Verified by Experts

The correct Answer is:
A
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