5.4 Indefinite Integrals and the Net Change Theorem/30

Failed to parse (unknown function "\begin{align}"): {\displaystyle \begin{align} \int_{1}^{2}\frac{y+5y^7}{y^3}dy &= \int_{1}^{2}\left(\frac{y}{y^3}+\frac{5y^7}{y^3}\right)dy = \int_{1}^{2}(y^{-2}+5y^{4})dy\\[2ex] &= \left(\frac{y^{-2+1}}{-2+1}+\frac{5y^{4+1}}{4+1}\right)\bigg|_{1}^{2} = \left(\frac{y^{-1}{-1}+y^5\right)\bigg|_{1}^{2} \\[2ex] \end{align} }