1. Evaluate the surface integral f S.(r + y + z)dS, S is the parallelogram with...

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1. Evaluate the surface integral f S.(r + y + z)dS, S is the parallelogram with parametric equations r = u+v, y = u – v, z =1+2u +v, 0 <us 2,0 <v S 1 2. Find the flux of F =< x, y, z > across the slanted surface of the cone z2 = x2 + y?, for 0 szS; normal vectors point in the positive z-direction 1. Evaluate the surface integral f S.(r + y + z)dS, S is the parallelogram with parametric equations r = u+v, y = u – v, z =1+2u +v, 0 <us 2,0 <v S 1 2. Find the flux of F =< x, y, z > across the slanted surface of the cone z2 = x2 + y?, for 0 szS; normal vectors point in the positive z-direction