6.2 Volumes/25

Failed to parse (syntax error): {\displaystyle \pi\int_0^1\left[(1)^2-(y^2)^2\right]dy = \pi\left[y-\frac{y^5}{5}\right]\Bigg|_0^1 = \pi\left[1-\frac{1}{5}]=\frac{4\pi}{5} }