5.3 The Fundamental Theorem of Calculus/33

$\int _{1}^{2}\left(1+2y^{2}\right)dy$ =Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://en.wikipedia.org/api/rest_v1/":): {\displaystyle \int_{1}^{2}\left(4y^2+4y+1\right)dy} =Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://en.wikipedia.org/api/rest_v1/":): {\displaystyle \1y+\frac{4y^3}{3}+\frac{4y^2}{2}\bigg|_{1}^{2}}