Optimal. Leaf size=349 \[ -\frac{(c+d x)^{n+2} \, _2F_1\left (1,n+2;n+3;\frac{\sqrt [4]{b} (c+d x)}{\sqrt [4]{b} c-\sqrt{-\sqrt{-a}} d}\right )}{4 b^{3/4} (n+2) \left (\sqrt [4]{b} c-\sqrt{-\sqrt{-a}} d\right )}-\frac{(c+d x)^{n+2} \, _2F_1\left (1,n+2;n+3;\frac{\sqrt [4]{b} (c+d x)}{\sqrt [4]{b} c+\sqrt{-\sqrt{-a}} d}\right )}{4 b^{3/4} (n+2) \left (\sqrt{-\sqrt{-a}} d+\sqrt [4]{b} c\right )}-\frac{(c+d x)^{n+2} \, _2F_1\left (1,n+2;n+3;\frac{\sqrt [4]{b} (c+d x)}{\sqrt [4]{b} c-\sqrt [4]{-a} d}\right )}{4 b^{3/4} (n+2) \left (\sqrt [4]{b} c-\sqrt [4]{-a} d\right )}-\frac{(c+d x)^{n+2} \, _2F_1\left (1,n+2;n+3;\frac{\sqrt [4]{b} (c+d x)}{\sqrt [4]{b} c+\sqrt [4]{-a} d}\right )}{4 b^{3/4} (n+2) \left (\sqrt [4]{-a} d+\sqrt [4]{b} c\right )} \]
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Rubi [A] time = 1.2044, antiderivative size = 349, normalized size of antiderivative = 1., number of steps used = 10, number of rules used = 3, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.136 \[ -\frac{(c+d x)^{n+2} \, _2F_1\left (1,n+2;n+3;\frac{\sqrt [4]{b} (c+d x)}{\sqrt [4]{b} c-\sqrt{-\sqrt{-a}} d}\right )}{4 b^{3/4} (n+2) \left (\sqrt [4]{b} c-\sqrt{-\sqrt{-a}} d\right )}-\frac{(c+d x)^{n+2} \, _2F_1\left (1,n+2;n+3;\frac{\sqrt [4]{b} (c+d x)}{\sqrt [4]{b} c+\sqrt{-\sqrt{-a}} d}\right )}{4 b^{3/4} (n+2) \left (\sqrt{-\sqrt{-a}} d+\sqrt [4]{b} c\right )}-\frac{(c+d x)^{n+2} \, _2F_1\left (1,n+2;n+3;\frac{\sqrt [4]{b} (c+d x)}{\sqrt [4]{b} c-\sqrt [4]{-a} d}\right )}{4 b^{3/4} (n+2) \left (\sqrt [4]{b} c-\sqrt [4]{-a} d\right )}-\frac{(c+d x)^{n+2} \, _2F_1\left (1,n+2;n+3;\frac{\sqrt [4]{b} (c+d x)}{\sqrt [4]{b} c+\sqrt [4]{-a} d}\right )}{4 b^{3/4} (n+2) \left (\sqrt [4]{-a} d+\sqrt [4]{b} c\right )} \]
Antiderivative was successfully verified.
[In] Int[(x^3*(c + d*x)^(1 + n))/(a + b*x^4),x]
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Rubi in Sympy [A] time = 90.0766, size = 265, normalized size = 0.76 \[ - \frac{\left (c + d x\right )^{n + 2}{{}_{2}F_{1}\left (\begin{matrix} 1, n + 2 \\ n + 3 \end{matrix}\middle |{\frac{\sqrt [4]{b} \left (c + d x\right )}{\sqrt [4]{b} c + i d \sqrt [4]{- a}}} \right )}}{4 b^{\frac{3}{4}} \left (n + 2\right ) \left (\sqrt [4]{b} c + i d \sqrt [4]{- a}\right )} - \frac{\left (c + d x\right )^{n + 2}{{}_{2}F_{1}\left (\begin{matrix} 1, n + 2 \\ n + 3 \end{matrix}\middle |{\frac{\sqrt [4]{b} \left (c + d x\right )}{\sqrt [4]{b} c - i d \sqrt [4]{- a}}} \right )}}{4 b^{\frac{3}{4}} \left (n + 2\right ) \left (\sqrt [4]{b} c - i d \sqrt [4]{- a}\right )} - \frac{\left (c + d x\right )^{n + 2}{{}_{2}F_{1}\left (\begin{matrix} 1, n + 2 \\ n + 3 \end{matrix}\middle |{\frac{\sqrt [4]{b} \left (c + d x\right )}{\sqrt [4]{b} c + d \sqrt [4]{- a}}} \right )}}{4 b^{\frac{3}{4}} \left (n + 2\right ) \left (\sqrt [4]{b} c + d \sqrt [4]{- a}\right )} - \frac{\left (c + d x\right )^{n + 2}{{}_{2}F_{1}\left (\begin{matrix} 1, n + 2 \\ n + 3 \end{matrix}\middle |{\frac{\sqrt [4]{b} \left (c + d x\right )}{\sqrt [4]{b} c - d \sqrt [4]{- a}}} \right )}}{4 b^{\frac{3}{4}} \left (n + 2\right ) \left (\sqrt [4]{b} c - d \sqrt [4]{- a}\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate(x**3*(d*x+c)**(1+n)/(b*x**4+a),x)
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Mathematica [C] time = 0.348139, size = 691, normalized size = 1.98 \[ \frac{(c+d x)^n \left ((n+1) \left (a d^4+b c^4\right ) \text{RootSum}\left [\text{$\#$1}^4 b-4 \text{$\#$1}^3 b c+6 \text{$\#$1}^2 b c^2-4 \text{$\#$1} b c^3+a d^4+b c^4\&,\frac{\left (\frac{c+d x}{-\text{$\#$1}+c+d x}\right )^{-n} \, _2F_1\left (-n,-n;1-n;-\frac{\text{$\#$1}}{c+d x-\text{$\#$1}}\right )}{-\text{$\#$1}^3+3 \text{$\#$1}^2 c-3 \text{$\#$1} c^2+c^3}\&\right ]-b \left (3 c^3 (n+1) \text{RootSum}\left [\text{$\#$1}^4 b-4 \text{$\#$1}^3 b c+6 \text{$\#$1}^2 b c^2-4 \text{$\#$1} b c^3+a d^4+b c^4\&,\frac{\text{$\#$1} \left (\frac{c+d x}{-\text{$\#$1}+c+d x}\right )^{-n} \, _2F_1\left (-n,-n;1-n;-\frac{\text{$\#$1}}{c+d x-\text{$\#$1}}\right )}{-\text{$\#$1}^3+3 \text{$\#$1}^2 c-3 \text{$\#$1} c^2+c^3}\&\right ]-3 c^2 (n+1) \text{RootSum}\left [\text{$\#$1}^4 b-4 \text{$\#$1}^3 b c+6 \text{$\#$1}^2 b c^2-4 \text{$\#$1} b c^3+a d^4+b c^4\&,\frac{\text{$\#$1}^2 \left (\frac{c+d x}{-\text{$\#$1}+c+d x}\right )^{-n} \, _2F_1\left (-n,-n;1-n;-\frac{\text{$\#$1}}{c+d x-\text{$\#$1}}\right )}{-\text{$\#$1}^3+3 \text{$\#$1}^2 c-3 \text{$\#$1} c^2+c^3}\&\right ]+c n \text{RootSum}\left [\text{$\#$1}^4 b-4 \text{$\#$1}^3 b c+6 \text{$\#$1}^2 b c^2-4 \text{$\#$1} b c^3+a d^4+b c^4\&,\frac{\text{$\#$1}^3 \left (\frac{c+d x}{-\text{$\#$1}+c+d x}\right )^{-n} \, _2F_1\left (-n,-n;1-n;-\frac{\text{$\#$1}}{c+d x-\text{$\#$1}}\right )}{-\text{$\#$1}^3+3 \text{$\#$1}^2 c-3 \text{$\#$1} c^2+c^3}\&\right ]+c \text{RootSum}\left [\text{$\#$1}^4 b-4 \text{$\#$1}^3 b c+6 \text{$\#$1}^2 b c^2-4 \text{$\#$1} b c^3+a d^4+b c^4\&,\frac{\text{$\#$1}^3 \left (\frac{c+d x}{-\text{$\#$1}+c+d x}\right )^{-n} \, _2F_1\left (-n,-n;1-n;-\frac{\text{$\#$1}}{c+d x-\text{$\#$1}}\right )}{-\text{$\#$1}^3+3 \text{$\#$1}^2 c-3 \text{$\#$1} c^2+c^3}\&\right ]-4 c n-4 d n x\right )\right )}{4 b^2 n (n+1)} \]
Warning: Unable to verify antiderivative.
[In] Integrate[(x^3*(c + d*x)^(1 + n))/(a + b*x^4),x]
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Maple [F] time = 0.076, size = 0, normalized size = 0. \[ \int{\frac{{x}^{3} \left ( dx+c \right ) ^{1+n}}{b{x}^{4}+a}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int(x^3*(d*x+c)^(1+n)/(b*x^4+a),x)
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Maxima [F] time = 0., size = 0, normalized size = 0. \[ \int \frac{{\left (d x + c\right )}^{n + 1} x^{3}}{b x^{4} + a}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((d*x + c)^(n + 1)*x^3/(b*x^4 + a),x, algorithm="maxima")
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Fricas [F] time = 0., size = 0, normalized size = 0. \[{\rm integral}\left (\frac{{\left (d x + c\right )}^{n + 1} x^{3}}{b x^{4} + a}, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((d*x + c)^(n + 1)*x^3/(b*x^4 + a),x, algorithm="fricas")
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \[ \text{Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x**3*(d*x+c)**(1+n)/(b*x**4+a),x)
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GIAC/XCAS [F] time = 0., size = 0, normalized size = 0. \[ \int \frac{{\left (d x + c\right )}^{n + 1} x^{3}}{b x^{4} + a}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((d*x + c)^(n + 1)*x^3/(b*x^4 + a),x, algorithm="giac")
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