need only answers to these questions..
Extracted text: Find the mass of the lamina that occupies the region D with density function O 1. 17 O 2. 16 3. 20 p(x, y) = x + y , O 4. 10 if D is the triangular region with vertices (0,0), (0,3), (4, 1). O 5. 7
Extracted text: Find the Jacobian of the transformation О 1. Э(х, у) a(u, v) O 2. a(x, y) a(u, v) O 3. 0(x, y) = 3 Т: (и, v) — (1(и, г), у(и, v)) %3D when x = 2u – 4v , 4 a(u, v) O 4. a(x, y) a(u, v) O 5. 0(x, y) y = 2u – v. = 6 a(u, v)