Integrand size = 19, antiderivative size = 329 \[ \int \frac {1}{x^4 \sqrt {b x^{2/3}+a x}} \, dx=-\frac {3 \sqrt {b x^{2/3}+a x}}{10 b x^{11/3}}+\frac {19 a \sqrt {b x^{2/3}+a x}}{60 b^2 x^{10/3}}-\frac {323 a^2 \sqrt {b x^{2/3}+a x}}{960 b^3 x^3}+\frac {323 a^3 \sqrt {b x^{2/3}+a x}}{896 b^4 x^{8/3}}-\frac {4199 a^4 \sqrt {b x^{2/3}+a x}}{10752 b^5 x^{7/3}}+\frac {46189 a^5 \sqrt {b x^{2/3}+a x}}{107520 b^6 x^2}-\frac {138567 a^6 \sqrt {b x^{2/3}+a x}}{286720 b^7 x^{5/3}}+\frac {46189 a^7 \sqrt {b x^{2/3}+a x}}{81920 b^8 x^{4/3}}-\frac {46189 a^8 \sqrt {b x^{2/3}+a x}}{65536 b^9 x}+\frac {138567 a^9 \sqrt {b x^{2/3}+a x}}{131072 b^{10} x^{2/3}}-\frac {138567 a^{10} \text {arctanh}\left (\frac {\sqrt {b} \sqrt [3]{x}}{\sqrt {b x^{2/3}+a x}}\right )}{131072 b^{21/2}} \]
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Time = 0.37 (sec) , antiderivative size = 329, normalized size of antiderivative = 1.00, number of steps used = 12, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.158, Rules used = {2050, 2054, 212} \[ \int \frac {1}{x^4 \sqrt {b x^{2/3}+a x}} \, dx=-\frac {138567 a^{10} \text {arctanh}\left (\frac {\sqrt {b} \sqrt [3]{x}}{\sqrt {a x+b x^{2/3}}}\right )}{131072 b^{21/2}}+\frac {138567 a^9 \sqrt {a x+b x^{2/3}}}{131072 b^{10} x^{2/3}}-\frac {46189 a^8 \sqrt {a x+b x^{2/3}}}{65536 b^9 x}+\frac {46189 a^7 \sqrt {a x+b x^{2/3}}}{81920 b^8 x^{4/3}}-\frac {138567 a^6 \sqrt {a x+b x^{2/3}}}{286720 b^7 x^{5/3}}+\frac {46189 a^5 \sqrt {a x+b x^{2/3}}}{107520 b^6 x^2}-\frac {4199 a^4 \sqrt {a x+b x^{2/3}}}{10752 b^5 x^{7/3}}+\frac {323 a^3 \sqrt {a x+b x^{2/3}}}{896 b^4 x^{8/3}}-\frac {323 a^2 \sqrt {a x+b x^{2/3}}}{960 b^3 x^3}+\frac {19 a \sqrt {a x+b x^{2/3}}}{60 b^2 x^{10/3}}-\frac {3 \sqrt {a x+b x^{2/3}}}{10 b x^{11/3}} \]
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Rule 212
Rule 2050
Rule 2054
Rubi steps \begin{align*} \text {integral}& = -\frac {3 \sqrt {b x^{2/3}+a x}}{10 b x^{11/3}}-\frac {(19 a) \int \frac {1}{x^{11/3} \sqrt {b x^{2/3}+a x}} \, dx}{20 b} \\ & = -\frac {3 \sqrt {b x^{2/3}+a x}}{10 b x^{11/3}}+\frac {19 a \sqrt {b x^{2/3}+a x}}{60 b^2 x^{10/3}}+\frac {\left (323 a^2\right ) \int \frac {1}{x^{10/3} \sqrt {b x^{2/3}+a x}} \, dx}{360 b^2} \\ & = -\frac {3 \sqrt {b x^{2/3}+a x}}{10 b x^{11/3}}+\frac {19 a \sqrt {b x^{2/3}+a x}}{60 b^2 x^{10/3}}-\frac {323 a^2 \sqrt {b x^{2/3}+a x}}{960 b^3 x^3}-\frac {\left (323 a^3\right ) \int \frac {1}{x^3 \sqrt {b x^{2/3}+a x}} \, dx}{384 b^3} \\ & = -\frac {3 \sqrt {b x^{2/3}+a x}}{10 b x^{11/3}}+\frac {19 a \sqrt {b x^{2/3}+a x}}{60 b^2 x^{10/3}}-\frac {323 a^2 \sqrt {b x^{2/3}+a x}}{960 b^3 x^3}+\frac {323 a^3 \sqrt {b x^{2/3}+a x}}{896 b^4 x^{8/3}}+\frac {\left (4199 a^4\right ) \int \frac {1}{x^{8/3} \sqrt {b x^{2/3}+a x}} \, dx}{5376 b^4} \\ & = -\frac {3 \sqrt {b x^{2/3}+a x}}{10 b x^{11/3}}+\frac {19 a \sqrt {b x^{2/3}+a x}}{60 b^2 x^{10/3}}-\frac {323 a^2 \sqrt {b x^{2/3}+a x}}{960 b^3 x^3}+\frac {323 a^3 \sqrt {b x^{2/3}+a x}}{896 b^4 x^{8/3}}-\frac {4199 a^4 \sqrt {b x^{2/3}+a x}}{10752 b^5 x^{7/3}}-\frac {\left (46189 a^5\right ) \int \frac {1}{x^{7/3} \sqrt {b x^{2/3}+a x}} \, dx}{64512 b^5} \\ & = -\frac {3 \sqrt {b x^{2/3}+a x}}{10 b x^{11/3}}+\frac {19 a \sqrt {b x^{2/3}+a x}}{60 b^2 x^{10/3}}-\frac {323 a^2 \sqrt {b x^{2/3}+a x}}{960 b^3 x^3}+\frac {323 a^3 \sqrt {b x^{2/3}+a x}}{896 b^4 x^{8/3}}-\frac {4199 a^4 \sqrt {b x^{2/3}+a x}}{10752 b^5 x^{7/3}}+\frac {46189 a^5 \sqrt {b x^{2/3}+a x}}{107520 b^6 x^2}+\frac {\left (46189 a^6\right ) \int \frac {1}{x^2 \sqrt {b x^{2/3}+a x}} \, dx}{71680 b^6} \\ & = -\frac {3 \sqrt {b x^{2/3}+a x}}{10 b x^{11/3}}+\frac {19 a \sqrt {b x^{2/3}+a x}}{60 b^2 x^{10/3}}-\frac {323 a^2 \sqrt {b x^{2/3}+a x}}{960 b^3 x^3}+\frac {323 a^3 \sqrt {b x^{2/3}+a x}}{896 b^4 x^{8/3}}-\frac {4199 a^4 \sqrt {b x^{2/3}+a x}}{10752 b^5 x^{7/3}}+\frac {46189 a^5 \sqrt {b x^{2/3}+a x}}{107520 b^6 x^2}-\frac {138567 a^6 \sqrt {b x^{2/3}+a x}}{286720 b^7 x^{5/3}}-\frac {\left (46189 a^7\right ) \int \frac {1}{x^{5/3} \sqrt {b x^{2/3}+a x}} \, dx}{81920 b^7} \\ & = -\frac {3 \sqrt {b x^{2/3}+a x}}{10 b x^{11/3}}+\frac {19 a \sqrt {b x^{2/3}+a x}}{60 b^2 x^{10/3}}-\frac {323 a^2 \sqrt {b x^{2/3}+a x}}{960 b^3 x^3}+\frac {323 a^3 \sqrt {b x^{2/3}+a x}}{896 b^4 x^{8/3}}-\frac {4199 a^4 \sqrt {b x^{2/3}+a x}}{10752 b^5 x^{7/3}}+\frac {46189 a^5 \sqrt {b x^{2/3}+a x}}{107520 b^6 x^2}-\frac {138567 a^6 \sqrt {b x^{2/3}+a x}}{286720 b^7 x^{5/3}}+\frac {46189 a^7 \sqrt {b x^{2/3}+a x}}{81920 b^8 x^{4/3}}+\frac {\left (46189 a^8\right ) \int \frac {1}{x^{4/3} \sqrt {b x^{2/3}+a x}} \, dx}{98304 b^8} \\ & = -\frac {3 \sqrt {b x^{2/3}+a x}}{10 b x^{11/3}}+\frac {19 a \sqrt {b x^{2/3}+a x}}{60 b^2 x^{10/3}}-\frac {323 a^2 \sqrt {b x^{2/3}+a x}}{960 b^3 x^3}+\frac {323 a^3 \sqrt {b x^{2/3}+a x}}{896 b^4 x^{8/3}}-\frac {4199 a^4 \sqrt {b x^{2/3}+a x}}{10752 b^5 x^{7/3}}+\frac {46189 a^5 \sqrt {b x^{2/3}+a x}}{107520 b^6 x^2}-\frac {138567 a^6 \sqrt {b x^{2/3}+a x}}{286720 b^7 x^{5/3}}+\frac {46189 a^7 \sqrt {b x^{2/3}+a x}}{81920 b^8 x^{4/3}}-\frac {46189 a^8 \sqrt {b x^{2/3}+a x}}{65536 b^9 x}-\frac {\left (46189 a^9\right ) \int \frac {1}{x \sqrt {b x^{2/3}+a x}} \, dx}{131072 b^9} \\ & = -\frac {3 \sqrt {b x^{2/3}+a x}}{10 b x^{11/3}}+\frac {19 a \sqrt {b x^{2/3}+a x}}{60 b^2 x^{10/3}}-\frac {323 a^2 \sqrt {b x^{2/3}+a x}}{960 b^3 x^3}+\frac {323 a^3 \sqrt {b x^{2/3}+a x}}{896 b^4 x^{8/3}}-\frac {4199 a^4 \sqrt {b x^{2/3}+a x}}{10752 b^5 x^{7/3}}+\frac {46189 a^5 \sqrt {b x^{2/3}+a x}}{107520 b^6 x^2}-\frac {138567 a^6 \sqrt {b x^{2/3}+a x}}{286720 b^7 x^{5/3}}+\frac {46189 a^7 \sqrt {b x^{2/3}+a x}}{81920 b^8 x^{4/3}}-\frac {46189 a^8 \sqrt {b x^{2/3}+a x}}{65536 b^9 x}+\frac {138567 a^9 \sqrt {b x^{2/3}+a x}}{131072 b^{10} x^{2/3}}+\frac {\left (46189 a^{10}\right ) \int \frac {1}{x^{2/3} \sqrt {b x^{2/3}+a x}} \, dx}{262144 b^{10}} \\ & = -\frac {3 \sqrt {b x^{2/3}+a x}}{10 b x^{11/3}}+\frac {19 a \sqrt {b x^{2/3}+a x}}{60 b^2 x^{10/3}}-\frac {323 a^2 \sqrt {b x^{2/3}+a x}}{960 b^3 x^3}+\frac {323 a^3 \sqrt {b x^{2/3}+a x}}{896 b^4 x^{8/3}}-\frac {4199 a^4 \sqrt {b x^{2/3}+a x}}{10752 b^5 x^{7/3}}+\frac {46189 a^5 \sqrt {b x^{2/3}+a x}}{107520 b^6 x^2}-\frac {138567 a^6 \sqrt {b x^{2/3}+a x}}{286720 b^7 x^{5/3}}+\frac {46189 a^7 \sqrt {b x^{2/3}+a x}}{81920 b^8 x^{4/3}}-\frac {46189 a^8 \sqrt {b x^{2/3}+a x}}{65536 b^9 x}+\frac {138567 a^9 \sqrt {b x^{2/3}+a x}}{131072 b^{10} x^{2/3}}-\frac {\left (138567 a^{10}\right ) \text {Subst}\left (\int \frac {1}{1-b x^2} \, dx,x,\frac {\sqrt [3]{x}}{\sqrt {b x^{2/3}+a x}}\right )}{131072 b^{10}} \\ & = -\frac {3 \sqrt {b x^{2/3}+a x}}{10 b x^{11/3}}+\frac {19 a \sqrt {b x^{2/3}+a x}}{60 b^2 x^{10/3}}-\frac {323 a^2 \sqrt {b x^{2/3}+a x}}{960 b^3 x^3}+\frac {323 a^3 \sqrt {b x^{2/3}+a x}}{896 b^4 x^{8/3}}-\frac {4199 a^4 \sqrt {b x^{2/3}+a x}}{10752 b^5 x^{7/3}}+\frac {46189 a^5 \sqrt {b x^{2/3}+a x}}{107520 b^6 x^2}-\frac {138567 a^6 \sqrt {b x^{2/3}+a x}}{286720 b^7 x^{5/3}}+\frac {46189 a^7 \sqrt {b x^{2/3}+a x}}{81920 b^8 x^{4/3}}-\frac {46189 a^8 \sqrt {b x^{2/3}+a x}}{65536 b^9 x}+\frac {138567 a^9 \sqrt {b x^{2/3}+a x}}{131072 b^{10} x^{2/3}}-\frac {138567 a^{10} \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt [3]{x}}{\sqrt {b x^{2/3}+a x}}\right )}{131072 b^{21/2}} \\ \end{align*}
Time = 0.40 (sec) , antiderivative size = 175, normalized size of antiderivative = 0.53 \[ \int \frac {1}{x^4 \sqrt {b x^{2/3}+a x}} \, dx=\frac {\sqrt {b x^{2/3}+a x} \left (-4128768 b^9+4358144 a b^8 \sqrt [3]{x}-4630528 a^2 b^7 x^{2/3}+4961280 a^3 b^6 x-5374720 a^4 b^5 x^{4/3}+5912192 a^5 b^4 x^{5/3}-6651216 a^6 b^3 x^2+7759752 a^7 b^2 x^{7/3}-9699690 a^8 b x^{8/3}+14549535 a^9 x^3\right )}{13762560 b^{10} x^{11/3}}-\frac {138567 a^{10} \text {arctanh}\left (\frac {\sqrt {b} \sqrt [3]{x}}{\sqrt {b x^{2/3}+a x}}\right )}{131072 b^{21/2}} \]
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Time = 10.48 (sec) , antiderivative size = 243, normalized size of antiderivative = 0.74
method | result | size |
derivativedivides | \(-\frac {\sqrt {b +a \,x^{\frac {1}{3}}}\, \left (4128768 \sqrt {b +a \,x^{\frac {1}{3}}}\, b^{\frac {21}{2}}-4358144 b^{\frac {19}{2}} \sqrt {b +a \,x^{\frac {1}{3}}}\, a \,x^{\frac {1}{3}}+4630528 b^{\frac {17}{2}} \sqrt {b +a \,x^{\frac {1}{3}}}\, a^{2} x^{\frac {2}{3}}-4961280 b^{\frac {15}{2}} \sqrt {b +a \,x^{\frac {1}{3}}}\, a^{3} x +5374720 b^{\frac {13}{2}} \sqrt {b +a \,x^{\frac {1}{3}}}\, a^{4} x^{\frac {4}{3}}-5912192 b^{\frac {11}{2}} \sqrt {b +a \,x^{\frac {1}{3}}}\, a^{5} x^{\frac {5}{3}}+6651216 b^{\frac {9}{2}} \sqrt {b +a \,x^{\frac {1}{3}}}\, a^{6} x^{2}-7759752 b^{\frac {7}{2}} \sqrt {b +a \,x^{\frac {1}{3}}}\, a^{7} x^{\frac {7}{3}}+9699690 b^{\frac {5}{2}} \sqrt {b +a \,x^{\frac {1}{3}}}\, a^{8} x^{\frac {8}{3}}-14549535 b^{\frac {3}{2}} \sqrt {b +a \,x^{\frac {1}{3}}}\, a^{9} x^{3}+14549535 \,\operatorname {arctanh}\left (\frac {\sqrt {b +a \,x^{\frac {1}{3}}}}{\sqrt {b}}\right ) a^{10} b \,x^{\frac {10}{3}}\right )}{13762560 x^{3} \sqrt {b \,x^{\frac {2}{3}}+a x}\, b^{\frac {23}{2}}}\) | \(243\) |
default | \(-\frac {\sqrt {b +a \,x^{\frac {1}{3}}}\, \left (14549535 x^{\frac {19}{3}} \operatorname {arctanh}\left (\frac {\sqrt {b +a \,x^{\frac {1}{3}}}}{\sqrt {b}}\right ) a^{10} b +9699690 x^{\frac {17}{3}} \sqrt {b +a \,x^{\frac {1}{3}}}\, b^{\frac {5}{2}} a^{8}-7759752 x^{\frac {16}{3}} \sqrt {b +a \,x^{\frac {1}{3}}}\, b^{\frac {7}{2}} a^{7}-5912192 x^{\frac {14}{3}} \sqrt {b +a \,x^{\frac {1}{3}}}\, b^{\frac {11}{2}} a^{5}+5374720 x^{\frac {13}{3}} \sqrt {b +a \,x^{\frac {1}{3}}}\, b^{\frac {13}{2}} a^{4}+4630528 x^{\frac {11}{3}} \sqrt {b +a \,x^{\frac {1}{3}}}\, b^{\frac {17}{2}} a^{2}-4358144 x^{\frac {10}{3}} \sqrt {b +a \,x^{\frac {1}{3}}}\, b^{\frac {19}{2}} a +4128768 \sqrt {b +a \,x^{\frac {1}{3}}}\, b^{\frac {21}{2}} x^{3}-4961280 x^{4} \sqrt {b +a \,x^{\frac {1}{3}}}\, b^{\frac {15}{2}} a^{3}+6651216 x^{5} \sqrt {b +a \,x^{\frac {1}{3}}}\, b^{\frac {9}{2}} a^{6}-14549535 x^{6} \sqrt {b +a \,x^{\frac {1}{3}}}\, b^{\frac {3}{2}} a^{9}\right )}{13762560 x^{6} \sqrt {b \,x^{\frac {2}{3}}+a x}\, b^{\frac {23}{2}}}\) | \(248\) |
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Timed out. \[ \int \frac {1}{x^4 \sqrt {b x^{2/3}+a x}} \, dx=\text {Timed out} \]
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\[ \int \frac {1}{x^4 \sqrt {b x^{2/3}+a x}} \, dx=\int \frac {1}{x^{4} \sqrt {a x + b x^{\frac {2}{3}}}}\, dx \]
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\[ \int \frac {1}{x^4 \sqrt {b x^{2/3}+a x}} \, dx=\int { \frac {1}{\sqrt {a x + b x^{\frac {2}{3}}} x^{4}} \,d x } \]
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Time = 0.35 (sec) , antiderivative size = 211, normalized size of antiderivative = 0.64 \[ \int \frac {1}{x^4 \sqrt {b x^{2/3}+a x}} \, dx=\frac {\frac {14549535 \, a^{11} \arctan \left (\frac {\sqrt {a x^{\frac {1}{3}} + b}}{\sqrt {-b}}\right )}{\sqrt {-b} b^{10}} + \frac {14549535 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {19}{2}} a^{11} - 140645505 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {17}{2}} a^{11} b + 609140532 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {15}{2}} a^{11} b^{2} - 1554721740 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {13}{2}} a^{11} b^{3} + 2585198330 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {11}{2}} a^{11} b^{4} - 2918514950 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {9}{2}} a^{11} b^{5} + 2255541300 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {7}{2}} a^{11} b^{6} - 1168982220 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {5}{2}} a^{11} b^{7} + 382331775 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {3}{2}} a^{11} b^{8} - 68025825 \, \sqrt {a x^{\frac {1}{3}} + b} a^{11} b^{9}}{a^{10} b^{10} x^{\frac {10}{3}}}}{13762560 \, a} \]
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Timed out. \[ \int \frac {1}{x^4 \sqrt {b x^{2/3}+a x}} \, dx=\int \frac {1}{x^4\,\sqrt {a\,x+b\,x^{2/3}}} \,d x \]
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