5.4 Indefinite Integrals and the Net Change Theorem/17

17)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+tan^2x\,dx\\}

  Failed to parse (syntax error): {\displaystyle \int{}{}1+tan^2x\,dx=\frac{d}{dx}(tan(x))</math <math>\frac{d}{dx}(tan(x))\\= \left(\frac{1}{dx}\right) &= \left(\frac{1}{dx}\right)}