$\left(49+b\right)^2$

$\frac{dy}{dt}=3ty^2e^t$

$\int\left(\sqrt{4x-3}\right)dx$

$\frac{x^5}{x^{-2}}$

$\tan\left(sin^{-1}\left(-0.67600352\right)\right)$

$\left(\frac{1}{2x}+y\right)^5$

$50\cdot49\cdot48\cdot47\cdot46\cdot45\cdot44\cdot43\cdot42\cdot41\cdot40\cdot39\cdot38\cdot37\cdot36\cdot35\cdot34\cdot33\cdot32\cdot31\cdot30\cdot29\cdot28\cdot27\cdot26\cdot25\cdot24\cdot23\cdot22\cdot21\cdot20\cdot19\cdot18\cdot17\cdot16\cdot15\cdot14\cdot13\cdot12\cdot11\cdot10\cdot9\cdot8\cdot7\cdot6\cdot5\cdot4\cdot3\cdot2\cdot1$