(a) Transform the integral to polar coordinates and calculate the integral. 1 dxdy Vi+x* +y° Apply the triple integration to calculate the volume of the solid G that is bounded above the hemisphere z = /25 – x² – y² , below by the xy-plane and laterally by the cylindrical x² +y² =9. (b) Given the function, f(x,y)=2x² – y' – 2xy Find all the critical points of function f(x,y) (c) (i) Activate Windows (ii) Differential each critical point whether as a local maximum, local minimum or saddle point Go to Settings to activate

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