Section 15.2: Integration over general 2d regions
Exercise 67
Use geometry or symmetry, or both, to evaluate the double integral \(\iint_D (2x + 3y) dA\), where \(D\) is the rectangle \(0 \le x \le a, 0 \le y \le b\).
Use geometry or symmetry, or both, to evaluate the double integral \(\iint_D (2x + 3y) dA\), where \(D\) is the rectangle \(0 \le x \le a, 0 \le y \le b\).