Optimal. Leaf size=227 \[ \frac {\left (-6 i a^2+18 a+11 i\right ) \sqrt {-i a-i b x+1} (i a+i b x+1)^{3/2}}{6 b^3}+\frac {\left (-6 i a^2+18 a+11 i\right ) \sqrt {-i a-i b x+1} \sqrt {i a+i b x+1}}{2 b^3}+\frac {\left (-6 a^2-18 i a+11\right ) \sinh ^{-1}(a+b x)}{2 b^3}+\frac {i \sqrt {-i a-i b x+1} (i a+i b x+1)^{5/2}}{3 b^3}-\frac {i (a+i)^2 (i a+i b x+1)^{5/2}}{b^3 \sqrt {-i a-i b x+1}} \]
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Rubi [A] time = 0.17, antiderivative size = 227, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 7, integrand size = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.438, Rules used = {5095, 89, 80, 50, 53, 619, 215} \[ \frac {\left (-6 i a^2+18 a+11 i\right ) \sqrt {-i a-i b x+1} (i a+i b x+1)^{3/2}}{6 b^3}+\frac {\left (-6 i a^2+18 a+11 i\right ) \sqrt {-i a-i b x+1} \sqrt {i a+i b x+1}}{2 b^3}+\frac {\left (-6 a^2-18 i a+11\right ) \sinh ^{-1}(a+b x)}{2 b^3}+\frac {i \sqrt {-i a-i b x+1} (i a+i b x+1)^{5/2}}{3 b^3}-\frac {i (a+i)^2 (i a+i b x+1)^{5/2}}{b^3 \sqrt {-i a-i b x+1}} \]
Antiderivative was successfully verified.
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Rule 50
Rule 53
Rule 80
Rule 89
Rule 215
Rule 619
Rule 5095
Rubi steps
\begin {align*} \int e^{3 i \tan ^{-1}(a+b x)} x^2 \, dx &=\int \frac {x^2 (1+i a+i b x)^{3/2}}{(1-i a-i b x)^{3/2}} \, dx\\ &=-\frac {i (i+a)^2 (1+i a+i b x)^{5/2}}{b^3 \sqrt {1-i a-i b x}}-\frac {i \int \frac {(1+i a+i b x)^{3/2} \left ((3-2 i a) (i+a) b-b^2 x\right )}{\sqrt {1-i a-i b x}} \, dx}{b^3}\\ &=-\frac {i (i+a)^2 (1+i a+i b x)^{5/2}}{b^3 \sqrt {1-i a-i b x}}+\frac {i \sqrt {1-i a-i b x} (1+i a+i b x)^{5/2}}{3 b^3}+\frac {\left (11-18 i a-6 a^2\right ) \int \frac {(1+i a+i b x)^{3/2}}{\sqrt {1-i a-i b x}} \, dx}{3 b^2}\\ &=\frac {\left (11 i+18 a-6 i a^2\right ) \sqrt {1-i a-i b x} (1+i a+i b x)^{3/2}}{6 b^3}-\frac {i (i+a)^2 (1+i a+i b x)^{5/2}}{b^3 \sqrt {1-i a-i b x}}+\frac {i \sqrt {1-i a-i b x} (1+i a+i b x)^{5/2}}{3 b^3}+\frac {\left (11-18 i a-6 a^2\right ) \int \frac {\sqrt {1+i a+i b x}}{\sqrt {1-i a-i b x}} \, dx}{2 b^2}\\ &=\frac {\left (11 i+18 a-6 i a^2\right ) \sqrt {1-i a-i b x} \sqrt {1+i a+i b x}}{2 b^3}+\frac {\left (11 i+18 a-6 i a^2\right ) \sqrt {1-i a-i b x} (1+i a+i b x)^{3/2}}{6 b^3}-\frac {i (i+a)^2 (1+i a+i b x)^{5/2}}{b^3 \sqrt {1-i a-i b x}}+\frac {i \sqrt {1-i a-i b x} (1+i a+i b x)^{5/2}}{3 b^3}+\frac {\left (11-18 i a-6 a^2\right ) \int \frac {1}{\sqrt {1-i a-i b x} \sqrt {1+i a+i b x}} \, dx}{2 b^2}\\ &=\frac {\left (11 i+18 a-6 i a^2\right ) \sqrt {1-i a-i b x} \sqrt {1+i a+i b x}}{2 b^3}+\frac {\left (11 i+18 a-6 i a^2\right ) \sqrt {1-i a-i b x} (1+i a+i b x)^{3/2}}{6 b^3}-\frac {i (i+a)^2 (1+i a+i b x)^{5/2}}{b^3 \sqrt {1-i a-i b x}}+\frac {i \sqrt {1-i a-i b x} (1+i a+i b x)^{5/2}}{3 b^3}+\frac {\left (11-18 i a-6 a^2\right ) \int \frac {1}{\sqrt {(1-i a) (1+i a)+2 a b x+b^2 x^2}} \, dx}{2 b^2}\\ &=\frac {\left (11 i+18 a-6 i a^2\right ) \sqrt {1-i a-i b x} \sqrt {1+i a+i b x}}{2 b^3}+\frac {\left (11 i+18 a-6 i a^2\right ) \sqrt {1-i a-i b x} (1+i a+i b x)^{3/2}}{6 b^3}-\frac {i (i+a)^2 (1+i a+i b x)^{5/2}}{b^3 \sqrt {1-i a-i b x}}+\frac {i \sqrt {1-i a-i b x} (1+i a+i b x)^{5/2}}{3 b^3}+\frac {\left (11-18 i a-6 a^2\right ) \operatorname {Subst}\left (\int \frac {1}{\sqrt {1+\frac {x^2}{4 b^2}}} \, dx,x,2 a b+2 b^2 x\right )}{4 b^4}\\ &=\frac {\left (11 i+18 a-6 i a^2\right ) \sqrt {1-i a-i b x} \sqrt {1+i a+i b x}}{2 b^3}+\frac {\left (11 i+18 a-6 i a^2\right ) \sqrt {1-i a-i b x} (1+i a+i b x)^{3/2}}{6 b^3}-\frac {i (i+a)^2 (1+i a+i b x)^{5/2}}{b^3 \sqrt {1-i a-i b x}}+\frac {i \sqrt {1-i a-i b x} (1+i a+i b x)^{5/2}}{3 b^3}+\frac {\left (11-18 i a-6 a^2\right ) \sinh ^{-1}(a+b x)}{2 b^3}\\ \end {align*}
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Mathematica [A] time = 0.24, size = 160, normalized size = 0.70 \[ \frac {(-1)^{3/4} \left (6 a^2+18 i a-11\right ) \sinh ^{-1}\left (\frac {\left (\frac {1}{2}+\frac {i}{2}\right ) \sqrt {b} \sqrt {-i (a+b x+i)}}{\sqrt {-i b}}\right )}{\sqrt {-i b} b^{5/2}}+\frac {\sqrt {i a+i b x+1} \left (-2 a^3-53 i a^2+a (103-16 i b x)-2 b^3 x^3+7 i b^2 x^2+19 b x+52 i\right )}{6 b^3 \sqrt {-i (a+b x+i)}} \]
Warning: Unable to verify antiderivative.
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fricas [A] time = 0.46, size = 174, normalized size = 0.77 \[ \frac {-7 i \, a^{4} + 166 \, a^{3} + {\left (-7 i \, a^{3} + 159 \, a^{2} + 249 i \, a - 96\right )} b x + 408 i \, a^{2} + {\left (72 \, a^{3} + 12 \, {\left (6 \, a^{2} + 18 i \, a - 11\right )} b x + 288 i \, a^{2} - 348 \, a - 132 i\right )} \log \left (-b x - a + \sqrt {b^{2} x^{2} + 2 \, a b x + a^{2} + 1}\right ) + {\left (-8 i \, b^{3} x^{3} - 28 \, b^{2} x^{2} - 8 i \, a^{3} + {\left (64 \, a + 76 i\right )} b x + 212 \, a^{2} + 412 i \, a - 208\right )} \sqrt {b^{2} x^{2} + 2 \, a b x + a^{2} + 1} - 345 \, a - 96 i}{24 \, b^{4} x + {\left (24 \, a + 24 i\right )} b^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.19, size = 249, normalized size = 1.10 \[ -\frac {1}{6} \, \sqrt {{\left (b x + a\right )}^{2} + 1} {\left ({\left (\frac {2 \, i x}{b} - \frac {2 \, a b^{6} i - 9 \, b^{6}}{b^{8}}\right )} x + \frac {2 \, a^{2} b^{5} i - 27 \, a b^{5} - 28 \, b^{5} i}{b^{8}}\right )} + \frac {{\left (6 \, a^{2} + 18 \, a i - 11\right )} \log \left (3 \, {\left (x {\left | b \right |} - \sqrt {{\left (b x + a\right )}^{2} + 1}\right )}^{2} a b + a^{3} b + 2 \, {\left (x {\left | b \right |} - \sqrt {{\left (b x + a\right )}^{2} + 1}\right )}^{2} b i + 2 \, a^{2} b i + {\left (x {\left | b \right |} - \sqrt {{\left (b x + a\right )}^{2} + 1}\right )}^{3} {\left | b \right |} + 3 \, {\left (x {\left | b \right |} - \sqrt {{\left (b x + a\right )}^{2} + 1}\right )} a^{2} {\left | b \right |} + 4 \, {\left (x {\left | b \right |} - \sqrt {{\left (b x + a\right )}^{2} + 1}\right )} a i {\left | b \right |} - a b - {\left (x {\left | b \right |} - \sqrt {{\left (b x + a\right )}^{2} + 1}\right )} {\left | b \right |}\right )}{6 \, b^{2} {\left | b \right |}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.18, size = 519, normalized size = 2.29 \[ -\frac {i b \,x^{4}}{3 \sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}}-\frac {i a \,x^{3}}{3 \sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}}+\frac {26 i}{3 b^{3} \sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}}+\frac {3 a \,x^{2}}{2 b \sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}}-\frac {3 \ln \left (\frac {b^{2} x +a b}{\sqrt {b^{2}}}+\sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}\right ) a^{2}}{b^{2} \sqrt {b^{2}}}-\frac {i a^{3} x}{3 b^{2} \sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}}+\frac {13 i x^{2}}{3 b \sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}}-\frac {i a^{4}}{3 b^{3} \sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}}+\frac {11 \ln \left (\frac {b^{2} x +a b}{\sqrt {b^{2}}}+\sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}\right )}{2 b^{2} \sqrt {b^{2}}}-\frac {11 x}{2 b^{2} \sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}}+\frac {53 i a x}{3 b^{2} \sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}}-\frac {3 x^{3}}{2 \sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}}-\frac {9 i a \ln \left (\frac {b^{2} x +a b}{\sqrt {b^{2}}}+\sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}\right )}{b^{2} \sqrt {b^{2}}}+\frac {25 i a^{2}}{3 b^{3} \sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}}+\frac {17 a}{2 b^{3} \sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}}+\frac {17 a^{3}}{2 b^{3} \sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}}+\frac {23 a^{2} x}{2 b^{2} \sqrt {b^{2} x^{2}+2 a b x +a^{2}+1}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [B] time = 0.36, size = 1626, normalized size = 7.16 \[ \text {result too large to display} \]
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 \[ \int \frac {x^2\,{\left (1+a\,1{}\mathrm {i}+b\,x\,1{}\mathrm {i}\right )}^3}{{\left ({\left (a+b\,x\right )}^2+1\right )}^{3/2}} \,d x \]
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 \[ - i \left (\int \frac {i x^{2}}{a^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + 2 a b x \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + b^{2} x^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1}}\, dx + \int \left (- \frac {3 a x^{2}}{a^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + 2 a b x \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + b^{2} x^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1}}\right )\, dx + \int \frac {a^{3} x^{2}}{a^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + 2 a b x \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + b^{2} x^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1}}\, dx + \int \left (- \frac {3 b x^{3}}{a^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + 2 a b x \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + b^{2} x^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1}}\right )\, dx + \int \frac {b^{3} x^{5}}{a^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + 2 a b x \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + b^{2} x^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1}}\, dx + \int \left (- \frac {3 i a^{2} x^{2}}{a^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + 2 a b x \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + b^{2} x^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1}}\right )\, dx + \int \left (- \frac {3 i b^{2} x^{4}}{a^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + 2 a b x \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + b^{2} x^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1}}\right )\, dx + \int \frac {3 a b^{2} x^{4}}{a^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + 2 a b x \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + b^{2} x^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1}}\, dx + \int \frac {3 a^{2} b x^{3}}{a^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + 2 a b x \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + b^{2} x^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1}}\, dx + \int \left (- \frac {6 i a b x^{3}}{a^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + 2 a b x \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + b^{2} x^{2} \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1} + \sqrt {a^{2} + 2 a b x + b^{2} x^{2} + 1}}\right )\, dx\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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