Optimal. Leaf size=273 \[ \frac {2 \cos (c+d x)}{b d^3}+\frac {a \cos (c+d x)}{b^2 d}-\frac {x^2 \cos (c+d x)}{b d}-\frac {(-a)^{3/2} \text {Ci}\left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right ) \sin \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right )}{2 b^{5/2}}+\frac {(-a)^{3/2} \text {Ci}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right ) \sin \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right )}{2 b^{5/2}}+\frac {2 x \sin (c+d x)}{b d^2}-\frac {(-a)^{3/2} \cos \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {Si}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{2 b^{5/2}}-\frac {(-a)^{3/2} \cos \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {Si}\left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right )}{2 b^{5/2}} \]
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Rubi [A]
time = 0.54, antiderivative size = 273, normalized size of antiderivative = 1.00, number of steps
used = 14, number of rules used = 7, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.368, Rules used = {3426, 2718,
3377, 3414, 3384, 3380, 3383} \begin {gather*} -\frac {(-a)^{3/2} \sin \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {CosIntegral}\left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right )}{2 b^{5/2}}+\frac {(-a)^{3/2} \sin \left (\frac {\sqrt {-a} d}{\sqrt {b}}+c\right ) \text {CosIntegral}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{2 b^{5/2}}-\frac {(-a)^{3/2} \cos \left (\frac {\sqrt {-a} d}{\sqrt {b}}+c\right ) \text {Si}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{2 b^{5/2}}-\frac {(-a)^{3/2} \cos \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {Si}\left (x d+\frac {\sqrt {-a} d}{\sqrt {b}}\right )}{2 b^{5/2}}+\frac {a \cos (c+d x)}{b^2 d}+\frac {2 \cos (c+d x)}{b d^3}+\frac {2 x \sin (c+d x)}{b d^2}-\frac {x^2 \cos (c+d x)}{b d} \end {gather*}
Antiderivative was successfully verified.
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Rule 2718
Rule 3377
Rule 3380
Rule 3383
Rule 3384
Rule 3414
Rule 3426
Rubi steps
\begin {align*} \int \frac {x^4 \sin (c+d x)}{a+b x^2} \, dx &=\int \left (-\frac {a \sin (c+d x)}{b^2}+\frac {x^2 \sin (c+d x)}{b}+\frac {a^2 \sin (c+d x)}{b^2 \left (a+b x^2\right )}\right ) \, dx\\ &=-\frac {a \int \sin (c+d x) \, dx}{b^2}+\frac {a^2 \int \frac {\sin (c+d x)}{a+b x^2} \, dx}{b^2}+\frac {\int x^2 \sin (c+d x) \, dx}{b}\\ &=\frac {a \cos (c+d x)}{b^2 d}-\frac {x^2 \cos (c+d x)}{b d}+\frac {a^2 \int \left (\frac {\sqrt {-a} \sin (c+d x)}{2 a \left (\sqrt {-a}-\sqrt {b} x\right )}+\frac {\sqrt {-a} \sin (c+d x)}{2 a \left (\sqrt {-a}+\sqrt {b} x\right )}\right ) \, dx}{b^2}+\frac {2 \int x \cos (c+d x) \, dx}{b d}\\ &=\frac {a \cos (c+d x)}{b^2 d}-\frac {x^2 \cos (c+d x)}{b d}+\frac {2 x \sin (c+d x)}{b d^2}-\frac {(-a)^{3/2} \int \frac {\sin (c+d x)}{\sqrt {-a}-\sqrt {b} x} \, dx}{2 b^2}-\frac {(-a)^{3/2} \int \frac {\sin (c+d x)}{\sqrt {-a}+\sqrt {b} x} \, dx}{2 b^2}-\frac {2 \int \sin (c+d x) \, dx}{b d^2}\\ &=\frac {2 \cos (c+d x)}{b d^3}+\frac {a \cos (c+d x)}{b^2 d}-\frac {x^2 \cos (c+d x)}{b d}+\frac {2 x \sin (c+d x)}{b d^2}-\frac {\left ((-a)^{3/2} \cos \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right )\right ) \int \frac {\sin \left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right )}{\sqrt {-a}+\sqrt {b} x} \, dx}{2 b^2}+\frac {\left ((-a)^{3/2} \cos \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right )\right ) \int \frac {\sin \left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{\sqrt {-a}-\sqrt {b} x} \, dx}{2 b^2}-\frac {\left ((-a)^{3/2} \sin \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right )\right ) \int \frac {\cos \left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right )}{\sqrt {-a}+\sqrt {b} x} \, dx}{2 b^2}-\frac {\left ((-a)^{3/2} \sin \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right )\right ) \int \frac {\cos \left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{\sqrt {-a}-\sqrt {b} x} \, dx}{2 b^2}\\ &=\frac {2 \cos (c+d x)}{b d^3}+\frac {a \cos (c+d x)}{b^2 d}-\frac {x^2 \cos (c+d x)}{b d}-\frac {(-a)^{3/2} \text {Ci}\left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right ) \sin \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right )}{2 b^{5/2}}+\frac {(-a)^{3/2} \text {Ci}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right ) \sin \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right )}{2 b^{5/2}}+\frac {2 x \sin (c+d x)}{b d^2}-\frac {(-a)^{3/2} \cos \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {Si}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{2 b^{5/2}}-\frac {(-a)^{3/2} \cos \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {Si}\left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right )}{2 b^{5/2}}\\ \end {align*}
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Mathematica [C] Result contains complex when optimal does not.
time = 0.31, size = 275, normalized size = 1.01 \begin {gather*} \frac {4 b^{3/2} \cos (c+d x)+2 a \sqrt {b} d^2 \cos (c+d x)-2 b^{3/2} d^2 x^2 \cos (c+d x)+i a^{3/2} d^3 \text {Ci}\left (d \left (\frac {i \sqrt {a}}{\sqrt {b}}+x\right )\right ) \sin \left (c-\frac {i \sqrt {a} d}{\sqrt {b}}\right )-i a^{3/2} d^3 \text {Ci}\left (d \left (-\frac {i \sqrt {a}}{\sqrt {b}}+x\right )\right ) \sin \left (c+\frac {i \sqrt {a} d}{\sqrt {b}}\right )+4 b^{3/2} d x \sin (c+d x)+i a^{3/2} d^3 \cos \left (c-\frac {i \sqrt {a} d}{\sqrt {b}}\right ) \text {Si}\left (d \left (\frac {i \sqrt {a}}{\sqrt {b}}+x\right )\right )+i a^{3/2} d^3 \cos \left (c+\frac {i \sqrt {a} d}{\sqrt {b}}\right ) \text {Si}\left (\frac {i \sqrt {a} d}{\sqrt {b}}-d x\right )}{2 b^{5/2} d^3} \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(1629\) vs.
\(2(217)=434\).
time = 0.30, size = 1630, normalized size = 5.97
method | result | size |
risch | \(-\frac {a \,{\mathrm e}^{\frac {i b c +d \sqrt {a b}}{b}} \expIntegral \left (1, \frac {i b c +d \sqrt {a b}-b \left (i d x +i c \right )}{b}\right ) \sqrt {a b}}{4 b^{3}}+\frac {a \,{\mathrm e}^{\frac {i b c -d \sqrt {a b}}{b}} \expIntegral \left (1, -\frac {-i b c +d \sqrt {a b}+b \left (i d x +i c \right )}{b}\right ) \sqrt {a b}}{4 b^{3}}-\frac {a \sqrt {a b}\, {\mathrm e}^{-\frac {i b c -d \sqrt {a b}}{b}} \expIntegral \left (1, \frac {-i b c +d \sqrt {a b}+b \left (i d x +i c \right )}{b}\right )}{4 b^{3}}+\frac {a \sqrt {a b}\, {\mathrm e}^{-\frac {i b c +d \sqrt {a b}}{b}} \expIntegral \left (1, -\frac {i b c +d \sqrt {a b}-b \left (i d x +i c \right )}{b}\right )}{4 b^{3}}-\frac {\left (d^{2} x^{2} b -d^{2} a -2 b \right ) \cos \left (d x +c \right )}{b^{2} d^{3}}-\frac {2 \left (d^{2} x^{2}+3 c d x \right ) \sin \left (d x +c \right )}{d^{3} b \left (-d x -3 c \right )}\) | \(319\) |
derivativedivides | \(\text {Expression too large to display}\) | \(1630\) |
default | \(\text {Expression too large to display}\) | \(1630\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [C] Result contains complex when optimal does not.
time = 0.38, size = 240, normalized size = 0.88 \begin {gather*} \frac {\sqrt {\frac {a d^{2}}{b}} a d^{2} {\rm Ei}\left (i \, d x - \sqrt {\frac {a d^{2}}{b}}\right ) e^{\left (i \, c + \sqrt {\frac {a d^{2}}{b}}\right )} - \sqrt {\frac {a d^{2}}{b}} a d^{2} {\rm Ei}\left (i \, d x + \sqrt {\frac {a d^{2}}{b}}\right ) e^{\left (i \, c - \sqrt {\frac {a d^{2}}{b}}\right )} + \sqrt {\frac {a d^{2}}{b}} a d^{2} {\rm Ei}\left (-i \, d x - \sqrt {\frac {a d^{2}}{b}}\right ) e^{\left (-i \, c + \sqrt {\frac {a d^{2}}{b}}\right )} - \sqrt {\frac {a d^{2}}{b}} a d^{2} {\rm Ei}\left (-i \, d x + \sqrt {\frac {a d^{2}}{b}}\right ) e^{\left (-i \, c - \sqrt {\frac {a d^{2}}{b}}\right )} + 8 \, b d x \sin \left (d x + c\right ) - 4 \, {\left (b d^{2} x^{2} - a d^{2} - 2 \, b\right )} \cos \left (d x + c\right )}{4 \, b^{2} d^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {x^{4} \sin {\left (c + d x \right )}}{a + b x^{2}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int \frac {x^4\,\sin \left (c+d\,x\right )}{b\,x^2+a} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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