Sketch the region of integration and change the order of integration. T/2 cos x f(x, y) dy dx

Q: y = 4 − x2,    y = 0 Calculate its area

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Q: at (x, y) = (1, 2) and z? = x2 + y² if dt dx = 4 and dt dy = 3. dt dz %3D %3D Find dz dt II

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Q: Find I using integration or geometry: I = 5 dx dy .

A: Since you have asked multiple questions in a single request we would be answering only the first…

Q: Find dy/dx: x- 3xy + y - 4x + 2y + 1 = 0

A: x2-3xy+y2-4x+2y+1=0