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Question

Mathematics Question on Differential equations

If xsiny+ysinx=πxsiny + ysinx = \pi, then dydx\frac{dy}{dx} at $$(π2,π2)(\frac{\pi}{2},\frac{\pi}{2})is equal to

A

1

B

π2\frac{\pi}{2}

C

-1

D

−π2\frac{-\pi}{2}

E

0

Answer

-1

Explanation

Solution

The correct option is (C) : -1