Optimal. Leaf size=395 \[ -\frac{\sqrt{-\sqrt{a^2-2 a c+b^2+c^2}+a-c} \tan ^{-1}\left (\frac{b-\left (-\sqrt{a^2-2 a c+b^2+c^2}+a-c\right ) \tan (d+e x)}{\sqrt{2} \sqrt{-\sqrt{a^2-2 a c+b^2+c^2}+a-c} \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}\right )}{\sqrt{2} e \sqrt{a^2-2 a c+b^2+c^2}}+\frac{\sqrt{\sqrt{a^2-2 a c+b^2+c^2}+a-c} \tan ^{-1}\left (\frac{b-\left (\sqrt{a^2-2 a c+b^2+c^2}+a-c\right ) \tan (d+e x)}{\sqrt{2} \sqrt{\sqrt{a^2-2 a c+b^2+c^2}+a-c} \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}\right )}{\sqrt{2} e \sqrt{a^2-2 a c+b^2+c^2}}+\frac{b \tanh ^{-1}\left (\frac{2 a+b \tan (d+e x)}{2 \sqrt{a} \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}\right )}{2 a^{3/2} e}-\frac{\cot (d+e x) \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}{a e} \]
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Rubi [A] time = 0.764539, antiderivative size = 395, normalized size of antiderivative = 1., number of steps used = 11, number of rules used = 8, integrand size = 33, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.242, Rules used = {3700, 6725, 730, 724, 206, 987, 1030, 205} \[ -\frac{\sqrt{-\sqrt{a^2-2 a c+b^2+c^2}+a-c} \tan ^{-1}\left (\frac{b-\left (-\sqrt{a^2-2 a c+b^2+c^2}+a-c\right ) \tan (d+e x)}{\sqrt{2} \sqrt{-\sqrt{a^2-2 a c+b^2+c^2}+a-c} \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}\right )}{\sqrt{2} e \sqrt{a^2-2 a c+b^2+c^2}}+\frac{\sqrt{\sqrt{a^2-2 a c+b^2+c^2}+a-c} \tan ^{-1}\left (\frac{b-\left (\sqrt{a^2-2 a c+b^2+c^2}+a-c\right ) \tan (d+e x)}{\sqrt{2} \sqrt{\sqrt{a^2-2 a c+b^2+c^2}+a-c} \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}\right )}{\sqrt{2} e \sqrt{a^2-2 a c+b^2+c^2}}+\frac{b \tanh ^{-1}\left (\frac{2 a+b \tan (d+e x)}{2 \sqrt{a} \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}\right )}{2 a^{3/2} e}-\frac{\cot (d+e x) \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}{a e} \]
Antiderivative was successfully verified.
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Rule 3700
Rule 6725
Rule 730
Rule 724
Rule 206
Rule 987
Rule 1030
Rule 205
Rubi steps
\begin{align*} \int \frac{\cot ^2(d+e x)}{\sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}} \, dx &=\frac{\operatorname{Subst}\left (\int \frac{1}{x^2 \left (1+x^2\right ) \sqrt{a+b x+c x^2}} \, dx,x,\tan (d+e x)\right )}{e}\\ &=\frac{\operatorname{Subst}\left (\int \left (\frac{1}{x^2 \sqrt{a+b x+c x^2}}+\frac{1}{\left (-1-x^2\right ) \sqrt{a+b x+c x^2}}\right ) \, dx,x,\tan (d+e x)\right )}{e}\\ &=\frac{\operatorname{Subst}\left (\int \frac{1}{x^2 \sqrt{a+b x+c x^2}} \, dx,x,\tan (d+e x)\right )}{e}+\frac{\operatorname{Subst}\left (\int \frac{1}{\left (-1-x^2\right ) \sqrt{a+b x+c x^2}} \, dx,x,\tan (d+e x)\right )}{e}\\ &=-\frac{\cot (d+e x) \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}{a e}-\frac{b \operatorname{Subst}\left (\int \frac{1}{x \sqrt{a+b x+c x^2}} \, dx,x,\tan (d+e x)\right )}{2 a e}-\frac{\operatorname{Subst}\left (\int \frac{-a+c-\sqrt{a^2+b^2-2 a c+c^2}-b x}{\left (-1-x^2\right ) \sqrt{a+b x+c x^2}} \, dx,x,\tan (d+e x)\right )}{2 \sqrt{a^2+b^2-2 a c+c^2} e}+\frac{\operatorname{Subst}\left (\int \frac{-a+c+\sqrt{a^2+b^2-2 a c+c^2}-b x}{\left (-1-x^2\right ) \sqrt{a+b x+c x^2}} \, dx,x,\tan (d+e x)\right )}{2 \sqrt{a^2+b^2-2 a c+c^2} e}\\ &=-\frac{\cot (d+e x) \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}{a e}+\frac{b \operatorname{Subst}\left (\int \frac{1}{4 a-x^2} \, dx,x,\frac{2 a+b \tan (d+e x)}{\sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}\right )}{a e}+\frac{\left (b \left (a-c-\sqrt{a^2+b^2-2 a c+c^2}\right )\right ) \operatorname{Subst}\left (\int \frac{1}{-2 b \left (a-c-\sqrt{a^2+b^2-2 a c+c^2}\right )-b x^2} \, dx,x,\frac{b-\left (a-c-\sqrt{a^2+b^2-2 a c+c^2}\right ) \tan (d+e x)}{\sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}\right )}{\sqrt{a^2+b^2-2 a c+c^2} e}-\frac{\left (b \left (a-c+\sqrt{a^2+b^2-2 a c+c^2}\right )\right ) \operatorname{Subst}\left (\int \frac{1}{-2 b \left (a-c+\sqrt{a^2+b^2-2 a c+c^2}\right )-b x^2} \, dx,x,\frac{b-\left (a-c+\sqrt{a^2+b^2-2 a c+c^2}\right ) \tan (d+e x)}{\sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}\right )}{\sqrt{a^2+b^2-2 a c+c^2} e}\\ &=-\frac{\sqrt{a-c-\sqrt{a^2+b^2-2 a c+c^2}} \tan ^{-1}\left (\frac{b-\left (a-c-\sqrt{a^2+b^2-2 a c+c^2}\right ) \tan (d+e x)}{\sqrt{2} \sqrt{a-c-\sqrt{a^2+b^2-2 a c+c^2}} \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}\right )}{\sqrt{2} \sqrt{a^2+b^2-2 a c+c^2} e}+\frac{\sqrt{a-c+\sqrt{a^2+b^2-2 a c+c^2}} \tan ^{-1}\left (\frac{b-\left (a-c+\sqrt{a^2+b^2-2 a c+c^2}\right ) \tan (d+e x)}{\sqrt{2} \sqrt{a-c+\sqrt{a^2+b^2-2 a c+c^2}} \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}\right )}{\sqrt{2} \sqrt{a^2+b^2-2 a c+c^2} e}+\frac{b \tanh ^{-1}\left (\frac{2 a+b \tan (d+e x)}{2 \sqrt{a} \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}\right )}{2 a^{3/2} e}-\frac{\cot (d+e x) \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}{a e}\\ \end{align*}
Mathematica [C] time = 1.40212, size = 264, normalized size = 0.67 \[ \frac{\frac{b \tanh ^{-1}\left (\frac{2 a+b \tan (d+e x)}{2 \sqrt{a} \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}\right )}{a^{3/2}}+\frac{i \tanh ^{-1}\left (\frac{2 a+(b-2 i c) \tan (d+e x)-i b}{2 \sqrt{a-i b-c} \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}\right )}{\sqrt{a-i b-c}}-\frac{i \tanh ^{-1}\left (\frac{2 a+(b+2 i c) \tan (d+e x)+i b}{2 \sqrt{a+i b-c} \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}\right )}{\sqrt{a+i b-c}}-\frac{2 \cot (d+e x) \sqrt{a+b \tan (d+e x)+c \tan ^2(d+e x)}}{a}}{2 e} \]
Antiderivative was successfully verified.
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Maple [B] time = 18.206, size = 675102, normalized size = 1709.1 \begin{align*} \text{output too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\cot \left (e x + d\right )^{2}}{\sqrt{c \tan \left (e x + d\right )^{2} + b \tan \left (e x + d\right ) + a}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\cot ^{2}{\left (d + e x \right )}}{\sqrt{a + b \tan{\left (d + e x \right )} + c \tan ^{2}{\left (d + e x \right )}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: TypeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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