$\left(b^6c^{12}d^9\right)^{-2}$

$\int_0^2\left(x^4\cdot\ln\left(x\right)\right)dx$

$\lim_{x\to0}\left(\frac{e^{x^2}-1}{xf\left(x\right)-x}\right)$

$0=x^2+6x+4\:$

$\int_1^{10}\left(e^{-2x}\right)dx$

$\left(-2\right)\left(-5\right)\left(6\right)\left(3\right)$

$\lim\:_{x\to\:\:3}\left(\frac{5x^2-8x-13}{x^2-5}\right)$