Optimal. Leaf size=180 \[ \frac{b x (4 b c-9 a d)}{5 a^2 \sqrt [4]{a+b x^4} (b c-a d)^2}+\frac{d^2 \tan ^{-1}\left (\frac{x \sqrt [4]{b c-a d}}{\sqrt [4]{c} \sqrt [4]{a+b x^4}}\right )}{2 c^{3/4} (b c-a d)^{9/4}}+\frac{d^2 \tanh ^{-1}\left (\frac{x \sqrt [4]{b c-a d}}{\sqrt [4]{c} \sqrt [4]{a+b x^4}}\right )}{2 c^{3/4} (b c-a d)^{9/4}}+\frac{b x}{5 a \left (a+b x^4\right )^{5/4} (b c-a d)} \]
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Rubi [A] time = 0.202568, antiderivative size = 180, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 7, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.333, Rules used = {414, 527, 12, 377, 212, 208, 205} \[ \frac{b x (4 b c-9 a d)}{5 a^2 \sqrt [4]{a+b x^4} (b c-a d)^2}+\frac{d^2 \tan ^{-1}\left (\frac{x \sqrt [4]{b c-a d}}{\sqrt [4]{c} \sqrt [4]{a+b x^4}}\right )}{2 c^{3/4} (b c-a d)^{9/4}}+\frac{d^2 \tanh ^{-1}\left (\frac{x \sqrt [4]{b c-a d}}{\sqrt [4]{c} \sqrt [4]{a+b x^4}}\right )}{2 c^{3/4} (b c-a d)^{9/4}}+\frac{b x}{5 a \left (a+b x^4\right )^{5/4} (b c-a d)} \]
Antiderivative was successfully verified.
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Rule 414
Rule 527
Rule 12
Rule 377
Rule 212
Rule 208
Rule 205
Rubi steps
\begin{align*} \int \frac{1}{\left (a+b x^4\right )^{9/4} \left (c+d x^4\right )} \, dx &=\frac{b x}{5 a (b c-a d) \left (a+b x^4\right )^{5/4}}-\frac{\int \frac{-4 b c+5 a d-4 b d x^4}{\left (a+b x^4\right )^{5/4} \left (c+d x^4\right )} \, dx}{5 a (b c-a d)}\\ &=\frac{b x}{5 a (b c-a d) \left (a+b x^4\right )^{5/4}}+\frac{b (4 b c-9 a d) x}{5 a^2 (b c-a d)^2 \sqrt [4]{a+b x^4}}+\frac{\int \frac{5 a^2 d^2}{\sqrt [4]{a+b x^4} \left (c+d x^4\right )} \, dx}{5 a^2 (b c-a d)^2}\\ &=\frac{b x}{5 a (b c-a d) \left (a+b x^4\right )^{5/4}}+\frac{b (4 b c-9 a d) x}{5 a^2 (b c-a d)^2 \sqrt [4]{a+b x^4}}+\frac{d^2 \int \frac{1}{\sqrt [4]{a+b x^4} \left (c+d x^4\right )} \, dx}{(b c-a d)^2}\\ &=\frac{b x}{5 a (b c-a d) \left (a+b x^4\right )^{5/4}}+\frac{b (4 b c-9 a d) x}{5 a^2 (b c-a d)^2 \sqrt [4]{a+b x^4}}+\frac{d^2 \operatorname{Subst}\left (\int \frac{1}{c-(b c-a d) x^4} \, dx,x,\frac{x}{\sqrt [4]{a+b x^4}}\right )}{(b c-a d)^2}\\ &=\frac{b x}{5 a (b c-a d) \left (a+b x^4\right )^{5/4}}+\frac{b (4 b c-9 a d) x}{5 a^2 (b c-a d)^2 \sqrt [4]{a+b x^4}}+\frac{d^2 \operatorname{Subst}\left (\int \frac{1}{\sqrt{c}-\sqrt{b c-a d} x^2} \, dx,x,\frac{x}{\sqrt [4]{a+b x^4}}\right )}{2 \sqrt{c} (b c-a d)^2}+\frac{d^2 \operatorname{Subst}\left (\int \frac{1}{\sqrt{c}+\sqrt{b c-a d} x^2} \, dx,x,\frac{x}{\sqrt [4]{a+b x^4}}\right )}{2 \sqrt{c} (b c-a d)^2}\\ &=\frac{b x}{5 a (b c-a d) \left (a+b x^4\right )^{5/4}}+\frac{b (4 b c-9 a d) x}{5 a^2 (b c-a d)^2 \sqrt [4]{a+b x^4}}+\frac{d^2 \tan ^{-1}\left (\frac{\sqrt [4]{b c-a d} x}{\sqrt [4]{c} \sqrt [4]{a+b x^4}}\right )}{2 c^{3/4} (b c-a d)^{9/4}}+\frac{d^2 \tanh ^{-1}\left (\frac{\sqrt [4]{b c-a d} x}{\sqrt [4]{c} \sqrt [4]{a+b x^4}}\right )}{2 c^{3/4} (b c-a d)^{9/4}}\\ \end{align*}
Mathematica [C] time = 1.66171, size = 621, normalized size = 3.45 \[ \frac{80 c^2 x^{12} (b c-a d)^3 \text{HypergeometricPFQ}\left (\left \{2,2,\frac{13}{4}\right \},\left \{1,\frac{17}{4}\right \},\frac{x^4 (b c-a d)}{c \left (a+b x^4\right )}\right )+80 d^2 x^{20} (b c-a d)^3 \text{HypergeometricPFQ}\left (\left \{2,2,\frac{13}{4}\right \},\left \{1,\frac{17}{4}\right \},\frac{x^4 (b c-a d)}{c \left (a+b x^4\right )}\right )+160 c d x^{16} (b c-a d)^3 \text{HypergeometricPFQ}\left (\left \{2,2,\frac{13}{4}\right \},\left \{1,\frac{17}{4}\right \},\frac{x^4 (b c-a d)}{c \left (a+b x^4\right )}\right )+2080 c^3 d^2 x^8 \left (a+b x^4\right )^3 \, _2F_1\left (\frac{1}{4},1;\frac{5}{4};\frac{(b c-a d) x^4}{c \left (b x^4+a\right )}\right )-416 c^2 d^2 x^{12} \left (a+b x^4\right )^2 (b c-a d)-2080 c^3 d^2 x^8 \left (a+b x^4\right )^3+280 c^2 x^{12} (b c-a d)^3 \, _2F_1\left (2,\frac{13}{4};\frac{17}{4};\frac{(b c-a d) x^4}{c \left (b x^4+a\right )}\right )+4680 c^4 d x^4 \left (a+b x^4\right )^3 \, _2F_1\left (\frac{1}{4},1;\frac{5}{4};\frac{(b c-a d) x^4}{c \left (b x^4+a\right )}\right )+2925 c^5 \left (a+b x^4\right )^3 \, _2F_1\left (\frac{1}{4},1;\frac{5}{4};\frac{(b c-a d) x^4}{c \left (b x^4+a\right )}\right )-936 c^3 d x^8 \left (a+b x^4\right )^2 (b c-a d)-4680 c^4 d x^4 \left (a+b x^4\right )^3-585 c^4 x^4 \left (a+b x^4\right )^2 (b c-a d)-2925 c^5 \left (a+b x^4\right )^3+240 d^2 x^{20} (b c-a d)^3 \, _2F_1\left (2,\frac{13}{4};\frac{17}{4};\frac{(b c-a d) x^4}{c \left (b x^4+a\right )}\right )+520 c d x^{16} (b c-a d)^3 \, _2F_1\left (2,\frac{13}{4};\frac{17}{4};\frac{(b c-a d) x^4}{c \left (b x^4+a\right )}\right )}{325 c^4 x^7 \left (a+b x^4\right )^{13/4} (b c-a d)^2} \]
Warning: Unable to verify antiderivative.
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Maple [F] time = 0.41, size = 0, normalized size = 0. \begin{align*} \int{\frac{1}{d{x}^{4}+c} \left ( b{x}^{4}+a \right ) ^{-{\frac{9}{4}}}}\, dx \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{1}{{\left (b x^{4} + a\right )}^{\frac{9}{4}}{\left (d x^{4} + c\right )}}\,{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{1}{\left (a + b x^{4}\right )^{\frac{9}{4}} \left (c + d x^{4}\right )}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{{\left (b x^{4} + a\right )}^{\frac{9}{4}}{\left (d x^{4} + c\right )}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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