∫t2sin(8t)dt\int t^2 \sin(8t) dt∫t2sin(8t)dt ∫tan2(x)sec4(x)dx\int \tan^2(x) \sec^4(x) dx∫tan2(x)sec4(x)dx ∫03x36−x2dx\int_{0}^{3} \frac{x}{\sqrt{36-x^2}} dx∫0336−x2xdx ∫1+x2xdx\int \frac{\sqrt{1+x^2}}{x} dx∫x1+x2dx ∫dx(x−1)(x+2)\int \frac{dx}{(x-1)(x+2)}∫(x−1)(x+2)dx