Evaluate \int \int_D \sqrt[x]{x^2 + y^2}dA where D = \{(x,y)| x^2 + y^2 \leq 2y, x \geq 0\}. Evaluate \int (x/(x-6)(x+2)^2)dx Evaluate \int \frac{\sec^{2}x}{\tan^{2}x+9\tanx+20}dx= Evaluate \int \frac{dx}{x \sqrt{x^2 + 4. Evaluate.\ \int ...