1 a) Evaluate fasinerdrde LAQ 2 3 4 b) Evaluate ex dydx a) Evaluate fe-(x+y) dxdy by changing to polar coordinates. b) Evaluate fe(x+y)dxdy a) Evaluate fe2x+3y dxdy over the triangle bounded by x=0, y=0, x+y=1. b) Evaluate 1+x2 1 dydx (1+x+y) a) Evaluate f(x + y) dydx by changing to polar coordinates h) Find the volume of the unit sphere x + y+z =