\(\displaystyle x = -(y-1)^2 \)
\(\displaystyle x = \sqrt{1 -y} \text{ , } x \geq 0 \)
\(\displaystyle \frac{x}{36} + \frac{y}{49} = 1\)
\(\displaystyle y=\frac{1}{x}\)
\(\displaystyle e^2 - e^{-2}\)
\(\displaystyle 2\pi\int\limits_0^{\pi/2} \! t\sin(t)\sqrt{t^2+1}\,dt\)
\(\displaystyle 162\pi\left(\frac{8}{3}+\frac{32}{5} \right)\)