$\left(a^6\right)^2$

$-\left|\left(-2^3\right)+\left(-5^2\right)+\left(-15\right)\right|$

$\int\left(3x+3\right)^{2.6}dx$

$\lim_{x\to\infty}5x^{\frac{ln6+1}{ln\left(9x\right)+1}}$

$\cos^2\left(x\right)=\sin^2\left(x\right)\cdot\cos^2\left(x\right)+\cos^5\left(x\right)$

$\int\left(\frac{2x+5}{\left(x-3\right)\left(x^2-9\right)}\right)dx$

$\lim_{x\to0}\left(\frac{\sin\left(\pi x\right)}{x^2-w}\right)$