Optimal. Leaf size=112 \[ -\frac {c (b c-a d)^2 \sqrt {c+d x^2}}{d^4}+\frac {(b c-a d) (3 b c-a d) \left (c+d x^2\right )^{3/2}}{3 d^4}-\frac {b (3 b c-2 a d) \left (c+d x^2\right )^{5/2}}{5 d^4}+\frac {b^2 \left (c+d x^2\right )^{7/2}}{7 d^4} \]
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Rubi [A]
time = 0.06, antiderivative size = 112, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {457, 78}
\begin {gather*} -\frac {b \left (c+d x^2\right )^{5/2} (3 b c-2 a d)}{5 d^4}+\frac {\left (c+d x^2\right )^{3/2} (b c-a d) (3 b c-a d)}{3 d^4}-\frac {c \sqrt {c+d x^2} (b c-a d)^2}{d^4}+\frac {b^2 \left (c+d x^2\right )^{7/2}}{7 d^4} \end {gather*}
Antiderivative was successfully verified.
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Rule 78
Rule 457
Rubi steps
\begin {align*} \int \frac {x^3 \left (a+b x^2\right )^2}{\sqrt {c+d x^2}} \, dx &=\frac {1}{2} \text {Subst}\left (\int \frac {x (a+b x)^2}{\sqrt {c+d x}} \, dx,x,x^2\right )\\ &=\frac {1}{2} \text {Subst}\left (\int \left (-\frac {c (b c-a d)^2}{d^3 \sqrt {c+d x}}+\frac {(b c-a d) (3 b c-a d) \sqrt {c+d x}}{d^3}-\frac {b (3 b c-2 a d) (c+d x)^{3/2}}{d^3}+\frac {b^2 (c+d x)^{5/2}}{d^3}\right ) \, dx,x,x^2\right )\\ &=-\frac {c (b c-a d)^2 \sqrt {c+d x^2}}{d^4}+\frac {(b c-a d) (3 b c-a d) \left (c+d x^2\right )^{3/2}}{3 d^4}-\frac {b (3 b c-2 a d) \left (c+d x^2\right )^{5/2}}{5 d^4}+\frac {b^2 \left (c+d x^2\right )^{7/2}}{7 d^4}\\ \end {align*}
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Mathematica [A]
time = 0.07, size = 99, normalized size = 0.88 \begin {gather*} \frac {\sqrt {c+d x^2} \left (35 a^2 d^2 \left (-2 c+d x^2\right )+14 a b d \left (8 c^2-4 c d x^2+3 d^2 x^4\right )-3 b^2 \left (16 c^3-8 c^2 d x^2+6 c d^2 x^4-5 d^3 x^6\right )\right )}{105 d^4} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.09, size = 185, normalized size = 1.65
method | result | size |
gosper | \(-\frac {\sqrt {d \,x^{2}+c}\, \left (-15 b^{2} x^{6} d^{3}-42 a b \,d^{3} x^{4}+18 b^{2} c \,d^{2} x^{4}-35 a^{2} d^{3} x^{2}+56 a b c \,d^{2} x^{2}-24 b^{2} c^{2} d \,x^{2}+70 a^{2} c \,d^{2}-112 a b \,c^{2} d +48 b^{2} c^{3}\right )}{105 d^{4}}\) | \(108\) |
trager | \(-\frac {\sqrt {d \,x^{2}+c}\, \left (-15 b^{2} x^{6} d^{3}-42 a b \,d^{3} x^{4}+18 b^{2} c \,d^{2} x^{4}-35 a^{2} d^{3} x^{2}+56 a b c \,d^{2} x^{2}-24 b^{2} c^{2} d \,x^{2}+70 a^{2} c \,d^{2}-112 a b \,c^{2} d +48 b^{2} c^{3}\right )}{105 d^{4}}\) | \(108\) |
risch | \(-\frac {\sqrt {d \,x^{2}+c}\, \left (-15 b^{2} x^{6} d^{3}-42 a b \,d^{3} x^{4}+18 b^{2} c \,d^{2} x^{4}-35 a^{2} d^{3} x^{2}+56 a b c \,d^{2} x^{2}-24 b^{2} c^{2} d \,x^{2}+70 a^{2} c \,d^{2}-112 a b \,c^{2} d +48 b^{2} c^{3}\right )}{105 d^{4}}\) | \(108\) |
default | \(b^{2} \left (\frac {x^{6} \sqrt {d \,x^{2}+c}}{7 d}-\frac {6 c \left (\frac {x^{4} \sqrt {d \,x^{2}+c}}{5 d}-\frac {4 c \left (\frac {x^{2} \sqrt {d \,x^{2}+c}}{3 d}-\frac {2 c \sqrt {d \,x^{2}+c}}{3 d^{2}}\right )}{5 d}\right )}{7 d}\right )+2 a b \left (\frac {x^{4} \sqrt {d \,x^{2}+c}}{5 d}-\frac {4 c \left (\frac {x^{2} \sqrt {d \,x^{2}+c}}{3 d}-\frac {2 c \sqrt {d \,x^{2}+c}}{3 d^{2}}\right )}{5 d}\right )+a^{2} \left (\frac {x^{2} \sqrt {d \,x^{2}+c}}{3 d}-\frac {2 c \sqrt {d \,x^{2}+c}}{3 d^{2}}\right )\) | \(185\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.28, size = 181, normalized size = 1.62 \begin {gather*} \frac {\sqrt {d x^{2} + c} b^{2} x^{6}}{7 \, d} - \frac {6 \, \sqrt {d x^{2} + c} b^{2} c x^{4}}{35 \, d^{2}} + \frac {2 \, \sqrt {d x^{2} + c} a b x^{4}}{5 \, d} + \frac {8 \, \sqrt {d x^{2} + c} b^{2} c^{2} x^{2}}{35 \, d^{3}} - \frac {8 \, \sqrt {d x^{2} + c} a b c x^{2}}{15 \, d^{2}} + \frac {\sqrt {d x^{2} + c} a^{2} x^{2}}{3 \, d} - \frac {16 \, \sqrt {d x^{2} + c} b^{2} c^{3}}{35 \, d^{4}} + \frac {16 \, \sqrt {d x^{2} + c} a b c^{2}}{15 \, d^{3}} - \frac {2 \, \sqrt {d x^{2} + c} a^{2} c}{3 \, d^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 1.31, size = 103, normalized size = 0.92 \begin {gather*} \frac {{\left (15 \, b^{2} d^{3} x^{6} - 48 \, b^{2} c^{3} + 112 \, a b c^{2} d - 70 \, a^{2} c d^{2} - 6 \, {\left (3 \, b^{2} c d^{2} - 7 \, a b d^{3}\right )} x^{4} + {\left (24 \, b^{2} c^{2} d - 56 \, a b c d^{2} + 35 \, a^{2} d^{3}\right )} x^{2}\right )} \sqrt {d x^{2} + c}}{105 \, d^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 240 vs.
\(2 (100) = 200\).
time = 0.38, size = 240, normalized size = 2.14 \begin {gather*} \begin {cases} - \frac {2 a^{2} c \sqrt {c + d x^{2}}}{3 d^{2}} + \frac {a^{2} x^{2} \sqrt {c + d x^{2}}}{3 d} + \frac {16 a b c^{2} \sqrt {c + d x^{2}}}{15 d^{3}} - \frac {8 a b c x^{2} \sqrt {c + d x^{2}}}{15 d^{2}} + \frac {2 a b x^{4} \sqrt {c + d x^{2}}}{5 d} - \frac {16 b^{2} c^{3} \sqrt {c + d x^{2}}}{35 d^{4}} + \frac {8 b^{2} c^{2} x^{2} \sqrt {c + d x^{2}}}{35 d^{3}} - \frac {6 b^{2} c x^{4} \sqrt {c + d x^{2}}}{35 d^{2}} + \frac {b^{2} x^{6} \sqrt {c + d x^{2}}}{7 d} & \text {for}\: d \neq 0 \\\frac {\frac {a^{2} x^{4}}{4} + \frac {a b x^{6}}{3} + \frac {b^{2} x^{8}}{8}}{\sqrt {c}} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.59, size = 137, normalized size = 1.22 \begin {gather*} -\frac {{\left (b^{2} c^{3} - 2 \, a b c^{2} d + a^{2} c d^{2}\right )} \sqrt {d x^{2} + c}}{d^{4}} + \frac {15 \, {\left (d x^{2} + c\right )}^{\frac {7}{2}} b^{2} - 63 \, {\left (d x^{2} + c\right )}^{\frac {5}{2}} b^{2} c + 105 \, {\left (d x^{2} + c\right )}^{\frac {3}{2}} b^{2} c^{2} + 42 \, {\left (d x^{2} + c\right )}^{\frac {5}{2}} a b d - 140 \, {\left (d x^{2} + c\right )}^{\frac {3}{2}} a b c d + 35 \, {\left (d x^{2} + c\right )}^{\frac {3}{2}} a^{2} d^{2}}{105 \, d^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.36, size = 105, normalized size = 0.94 \begin {gather*} \sqrt {d\,x^2+c}\,\left (\frac {b^2\,x^6}{7\,d}-\frac {70\,a^2\,c\,d^2-112\,a\,b\,c^2\,d+48\,b^2\,c^3}{105\,d^4}+\frac {x^2\,\left (35\,a^2\,d^3-56\,a\,b\,c\,d^2+24\,b^2\,c^2\,d\right )}{105\,d^4}+\frac {2\,b\,x^4\,\left (7\,a\,d-3\,b\,c\right )}{35\,d^2}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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