1.

Given f (x,y)=sin⁡xy, what is the value of the third degree first term in Taylor’s series near (1,-\(\frac{π}{2}\)) where it is expanded in increasing order of degree & by following algebraic identity rule?

A. \(\frac{π^3}{8}\)
B. \(\frac{π^3}{8} \frac{(x-1)(y+\frac{π}{2})}{3!}\)
C. 0
D. \(-\frac{π^3}{8} \frac{(x-1)^3}{3!}\)
Answer» D.


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