Let S be the surfaced defined by the vector function R(u, v) = < e¹,eº,u² + v² >, u € [0, 2], v € [-1,1]. a. Find an equation of the tangent plane to S at the point corresponding to (u, v) = (1, 0). b. Set up an iterated double integral equal to the mass of a curved lamina in the shape of S with density function 8(x, y, z) =

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