1. [-/1 Points] DETAILS SESSCALCET2 13.7.005. MY NOTES A
Evaluate the surface integral.
$\iint_S (x + y + z) \, dS$, S is the parallelogram with parametric equations $x = u + v$, $y = u - v$, $z = 1 + 2u + v$, $0 \le u \le 6$, $0 \le v \le 1$.
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2. [-/1 Points] DETAILS SESSCALCET2 13.7.007. MY NOTES A
Evaluate the surface integral.
$\iint_S y \, dS$, S is the helicoid with vector equation $r(u, v) = (u \cos v, u \sin v, v)$, $0 \le u \le 4$, $0 \le v \le \pi$.
