Q1: Find partial derivatives of the function with respect with each variable 1) f(x, y) = 2x²-3y-4 2) f(x, y) = (x²-1)(y+2) 3) f(x,y)=(xy-1)² 2 4) f(x,y)=√√x² + y² g(x, y) = x²y + cos(y) + y sin(x) 5)

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A: To evaluate the given integral.

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Q: Find a, and d for each arithmetic series. 61. $20=1090, 420= 102 63. S16-160, a16-25

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