$0.75\cdot15$

$\int_0^{2\pi}\left(25-15\sin\left(x\right)^2+9\sin\left(x\right)^3\right)\frac{9}{2}dx$

$10 x ^ { 4 } + 120 x ^ { 3 } + 570 x ^ { 2 } + 950 x + 500$

$\frac{d}{dx}\left(ln\left(x^5\right)\right)^3$

$\frac{64x^5}{72x^9}$

$\frac{5}{6x}-\frac{3}{8x}$

$-cos^2x+cosx+1$