1.

Find the critical points of the function.f(x, y)=\(\frac{sin^{-1}(y^2).(y^2+3y).(sin(y^6+7y))}{(y^9+y^{10})}+10x\)

A. (0,0)
B. (0,-90)
C. (90, 0)
D. None exist
Answer» E.


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