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x+y(dy)/(dx)=sec(x^(2)+y^(2)), where x^(...

`x+y(dy)/(dx)=sec(x^(2)+y^(2)),` where `x^(2)+y^(2)=u`

A

`2x-sinu=c`

B

`x-sin2u=c`

C

`2x=tanu+c`

D

`2u=cosx+c`

Text Solution

Verified by Experts

The correct Answer is:
A
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