Evaluate the integral by making an appropriate change of variables.
R cos(16x2 + 253²)dA,
where R is the region in the first quadrant bounded by the ellipse 16x² + 25y² = 1.
Evaluate - dy, where C is the curve y = e2r from (0,1) to (2,e4).
el(ete - 22).
Let F(x,y,z) be the gradient vector field = C be the curve of
intersection of the plane y + Z = 2 and the cylinder x2 + y2 = 1, oriented counterclockwise,
evaluate Sc F dr.
None of the above.
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