4 find the following definite integrals text a int_ 1 3 frac d x x 3 2
Search for question
Question
4. Find the following definite integrals. \text { a) } \int_{1}^{3} \frac{d x}{(x+3)^{2} \sqrt{x^{2}+2 x-3}} \int_{0}^{1} \sqrt{1-x^{2}} \sin ^{-1} x d x