Question #985ea Calculus Techniques of Integration Integration by Parts 1 Answer Jim H Jul 24, 2017 We can't use the x^n rule because this integrand is not of the form x^n. Explanation: If you think that you have a way of writing sqrt(1-x^2) as x^n for some power n, you have made an algebra error. Answer link Related questions How do I find the integral int(x*ln(x))dx ? How do I find the integral int(cos(x)/e^x)dx ? How do I find the integral int(x*cos(5x))dx ? How do I find the integral int(x*e^-x)dx ? How do I find the integral int(x^2*sin(pix))dx ? How do I find the integral intln(2x+1)dx ? How do I find the integral intsin^-1(x)dx ? How do I find the integral intarctan(4x)dx ? How do I find the integral intx^5*ln(x)dx ? How do I find the integral intx*2^xdx ? See all questions in Integration by Parts Impact of this question 1439 views around the world You can reuse this answer Creative Commons License