Integrand size = 21, antiderivative size = 241 \[ \int \frac {\left (d+e x^2\right )^2 \left (a+b \sec ^{-1}(c x)\right )}{x^8} \, dx=\frac {2 b c^3 \left (360 c^4 d^2+1176 c^2 d e+1225 e^2\right ) \sqrt {-1+c^2 x^2}}{11025 \sqrt {c^2 x^2}}+\frac {b c d^2 \sqrt {-1+c^2 x^2}}{49 x^6 \sqrt {c^2 x^2}}+\frac {2 b c d \left (15 c^2 d+49 e\right ) \sqrt {-1+c^2 x^2}}{1225 x^4 \sqrt {c^2 x^2}}+\frac {b c \left (360 c^4 d^2+1176 c^2 d e+1225 e^2\right ) \sqrt {-1+c^2 x^2}}{11025 x^2 \sqrt {c^2 x^2}}-\frac {d^2 \left (a+b \sec ^{-1}(c x)\right )}{7 x^7}-\frac {2 d e \left (a+b \sec ^{-1}(c x)\right )}{5 x^5}-\frac {e^2 \left (a+b \sec ^{-1}(c x)\right )}{3 x^3} \]
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Time = 0.14 (sec) , antiderivative size = 241, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {276, 5346, 12, 1279, 464, 277, 270} \[ \int \frac {\left (d+e x^2\right )^2 \left (a+b \sec ^{-1}(c x)\right )}{x^8} \, dx=-\frac {d^2 \left (a+b \sec ^{-1}(c x)\right )}{7 x^7}-\frac {2 d e \left (a+b \sec ^{-1}(c x)\right )}{5 x^5}-\frac {e^2 \left (a+b \sec ^{-1}(c x)\right )}{3 x^3}+\frac {b c d^2 \sqrt {c^2 x^2-1}}{49 x^6 \sqrt {c^2 x^2}}+\frac {2 b c d \sqrt {c^2 x^2-1} \left (15 c^2 d+49 e\right )}{1225 x^4 \sqrt {c^2 x^2}}+\frac {b c \sqrt {c^2 x^2-1} \left (360 c^4 d^2+1176 c^2 d e+1225 e^2\right )}{11025 x^2 \sqrt {c^2 x^2}}+\frac {2 b c^3 \sqrt {c^2 x^2-1} \left (360 c^4 d^2+1176 c^2 d e+1225 e^2\right )}{11025 \sqrt {c^2 x^2}} \]
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Rule 12
Rule 270
Rule 276
Rule 277
Rule 464
Rule 1279
Rule 5346
Rubi steps \begin{align*} \text {integral}& = -\frac {d^2 \left (a+b \sec ^{-1}(c x)\right )}{7 x^7}-\frac {2 d e \left (a+b \sec ^{-1}(c x)\right )}{5 x^5}-\frac {e^2 \left (a+b \sec ^{-1}(c x)\right )}{3 x^3}-\frac {(b c x) \int \frac {-15 d^2-42 d e x^2-35 e^2 x^4}{105 x^8 \sqrt {-1+c^2 x^2}} \, dx}{\sqrt {c^2 x^2}} \\ & = -\frac {d^2 \left (a+b \sec ^{-1}(c x)\right )}{7 x^7}-\frac {2 d e \left (a+b \sec ^{-1}(c x)\right )}{5 x^5}-\frac {e^2 \left (a+b \sec ^{-1}(c x)\right )}{3 x^3}-\frac {(b c x) \int \frac {-15 d^2-42 d e x^2-35 e^2 x^4}{x^8 \sqrt {-1+c^2 x^2}} \, dx}{105 \sqrt {c^2 x^2}} \\ & = \frac {b c d^2 \sqrt {-1+c^2 x^2}}{49 x^6 \sqrt {c^2 x^2}}-\frac {d^2 \left (a+b \sec ^{-1}(c x)\right )}{7 x^7}-\frac {2 d e \left (a+b \sec ^{-1}(c x)\right )}{5 x^5}-\frac {e^2 \left (a+b \sec ^{-1}(c x)\right )}{3 x^3}-\frac {(b c x) \int \frac {-6 d \left (15 c^2 d+49 e\right )-245 e^2 x^2}{x^6 \sqrt {-1+c^2 x^2}} \, dx}{735 \sqrt {c^2 x^2}} \\ & = \frac {b c d^2 \sqrt {-1+c^2 x^2}}{49 x^6 \sqrt {c^2 x^2}}+\frac {2 b c d \left (15 c^2 d+49 e\right ) \sqrt {-1+c^2 x^2}}{1225 x^4 \sqrt {c^2 x^2}}-\frac {d^2 \left (a+b \sec ^{-1}(c x)\right )}{7 x^7}-\frac {2 d e \left (a+b \sec ^{-1}(c x)\right )}{5 x^5}-\frac {e^2 \left (a+b \sec ^{-1}(c x)\right )}{3 x^3}-\frac {\left (b c \left (-1225 e^2-24 c^2 d \left (15 c^2 d+49 e\right )\right ) x\right ) \int \frac {1}{x^4 \sqrt {-1+c^2 x^2}} \, dx}{3675 \sqrt {c^2 x^2}} \\ & = \frac {b c d^2 \sqrt {-1+c^2 x^2}}{49 x^6 \sqrt {c^2 x^2}}+\frac {2 b c d \left (15 c^2 d+49 e\right ) \sqrt {-1+c^2 x^2}}{1225 x^4 \sqrt {c^2 x^2}}+\frac {b c \left (1225 e^2+24 c^2 d \left (15 c^2 d+49 e\right )\right ) \sqrt {-1+c^2 x^2}}{11025 x^2 \sqrt {c^2 x^2}}-\frac {d^2 \left (a+b \sec ^{-1}(c x)\right )}{7 x^7}-\frac {2 d e \left (a+b \sec ^{-1}(c x)\right )}{5 x^5}-\frac {e^2 \left (a+b \sec ^{-1}(c x)\right )}{3 x^3}-\frac {\left (2 b c^3 \left (-1225 e^2-24 c^2 d \left (15 c^2 d+49 e\right )\right ) x\right ) \int \frac {1}{x^2 \sqrt {-1+c^2 x^2}} \, dx}{11025 \sqrt {c^2 x^2}} \\ & = \frac {2 b c^3 \left (1225 e^2+24 c^2 d \left (15 c^2 d+49 e\right )\right ) \sqrt {-1+c^2 x^2}}{11025 \sqrt {c^2 x^2}}+\frac {b c d^2 \sqrt {-1+c^2 x^2}}{49 x^6 \sqrt {c^2 x^2}}+\frac {2 b c d \left (15 c^2 d+49 e\right ) \sqrt {-1+c^2 x^2}}{1225 x^4 \sqrt {c^2 x^2}}+\frac {b c \left (1225 e^2+24 c^2 d \left (15 c^2 d+49 e\right )\right ) \sqrt {-1+c^2 x^2}}{11025 x^2 \sqrt {c^2 x^2}}-\frac {d^2 \left (a+b \sec ^{-1}(c x)\right )}{7 x^7}-\frac {2 d e \left (a+b \sec ^{-1}(c x)\right )}{5 x^5}-\frac {e^2 \left (a+b \sec ^{-1}(c x)\right )}{3 x^3} \\ \end{align*}
Time = 0.17 (sec) , antiderivative size = 153, normalized size of antiderivative = 0.63 \[ \int \frac {\left (d+e x^2\right )^2 \left (a+b \sec ^{-1}(c x)\right )}{x^8} \, dx=\frac {-105 a \left (15 d^2+42 d e x^2+35 e^2 x^4\right )+b c \sqrt {1-\frac {1}{c^2 x^2}} x \left (1225 e^2 x^4 \left (1+2 c^2 x^2\right )+294 d e x^2 \left (3+4 c^2 x^2+8 c^4 x^4\right )+45 d^2 \left (5+6 c^2 x^2+8 c^4 x^4+16 c^6 x^6\right )\right )-105 b \left (15 d^2+42 d e x^2+35 e^2 x^4\right ) \sec ^{-1}(c x)}{11025 x^7} \]
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Time = 0.49 (sec) , antiderivative size = 207, normalized size of antiderivative = 0.86
method | result | size |
parts | \(a \left (-\frac {d^{2}}{7 x^{7}}-\frac {2 d e}{5 x^{5}}-\frac {e^{2}}{3 x^{3}}\right )+b \,c^{7} \left (-\frac {\operatorname {arcsec}\left (c x \right ) d^{2}}{7 x^{7} c^{7}}-\frac {2 \,\operatorname {arcsec}\left (c x \right ) d e}{5 c^{7} x^{5}}-\frac {\operatorname {arcsec}\left (c x \right ) e^{2}}{3 c^{7} x^{3}}+\frac {\left (c^{2} x^{2}-1\right ) \left (720 c^{10} d^{2} x^{6}+2352 c^{8} d e \,x^{6}+360 c^{8} d^{2} x^{4}+2450 c^{6} e^{2} x^{6}+1176 c^{6} d e \,x^{4}+270 c^{6} d^{2} x^{2}+1225 c^{4} e^{2} x^{4}+882 c^{4} d e \,x^{2}+225 c^{4} d^{2}\right )}{11025 c^{12} \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}\, x^{8}}\right )\) | \(207\) |
derivativedivides | \(c^{7} \left (\frac {a \left (-\frac {e^{2}}{3 c^{3} x^{3}}-\frac {d^{2}}{7 c^{3} x^{7}}-\frac {2 d e}{5 c^{3} x^{5}}\right )}{c^{4}}+\frac {b \left (-\frac {\operatorname {arcsec}\left (c x \right ) e^{2}}{3 c^{3} x^{3}}-\frac {\operatorname {arcsec}\left (c x \right ) d^{2}}{7 c^{3} x^{7}}-\frac {2 \,\operatorname {arcsec}\left (c x \right ) d e}{5 c^{3} x^{5}}+\frac {\left (c^{2} x^{2}-1\right ) \left (720 c^{10} d^{2} x^{6}+2352 c^{8} d e \,x^{6}+360 c^{8} d^{2} x^{4}+2450 c^{6} e^{2} x^{6}+1176 c^{6} d e \,x^{4}+270 c^{6} d^{2} x^{2}+1225 c^{4} e^{2} x^{4}+882 c^{4} d e \,x^{2}+225 c^{4} d^{2}\right )}{11025 \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}\, c^{8} x^{8}}\right )}{c^{4}}\right )\) | \(223\) |
default | \(c^{7} \left (\frac {a \left (-\frac {e^{2}}{3 c^{3} x^{3}}-\frac {d^{2}}{7 c^{3} x^{7}}-\frac {2 d e}{5 c^{3} x^{5}}\right )}{c^{4}}+\frac {b \left (-\frac {\operatorname {arcsec}\left (c x \right ) e^{2}}{3 c^{3} x^{3}}-\frac {\operatorname {arcsec}\left (c x \right ) d^{2}}{7 c^{3} x^{7}}-\frac {2 \,\operatorname {arcsec}\left (c x \right ) d e}{5 c^{3} x^{5}}+\frac {\left (c^{2} x^{2}-1\right ) \left (720 c^{10} d^{2} x^{6}+2352 c^{8} d e \,x^{6}+360 c^{8} d^{2} x^{4}+2450 c^{6} e^{2} x^{6}+1176 c^{6} d e \,x^{4}+270 c^{6} d^{2} x^{2}+1225 c^{4} e^{2} x^{4}+882 c^{4} d e \,x^{2}+225 c^{4} d^{2}\right )}{11025 \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}\, c^{8} x^{8}}\right )}{c^{4}}\right )\) | \(223\) |
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Time = 0.28 (sec) , antiderivative size = 159, normalized size of antiderivative = 0.66 \[ \int \frac {\left (d+e x^2\right )^2 \left (a+b \sec ^{-1}(c x)\right )}{x^8} \, dx=-\frac {3675 \, a e^{2} x^{4} + 4410 \, a d e x^{2} + 1575 \, a d^{2} + 105 \, {\left (35 \, b e^{2} x^{4} + 42 \, b d e x^{2} + 15 \, b d^{2}\right )} \operatorname {arcsec}\left (c x\right ) - {\left (2 \, {\left (360 \, b c^{6} d^{2} + 1176 \, b c^{4} d e + 1225 \, b c^{2} e^{2}\right )} x^{6} + {\left (360 \, b c^{4} d^{2} + 1176 \, b c^{2} d e + 1225 \, b e^{2}\right )} x^{4} + 225 \, b d^{2} + 18 \, {\left (15 \, b c^{2} d^{2} + 49 \, b d e\right )} x^{2}\right )} \sqrt {c^{2} x^{2} - 1}}{11025 \, x^{7}} \]
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Time = 30.11 (sec) , antiderivative size = 508, normalized size of antiderivative = 2.11 \[ \int \frac {\left (d+e x^2\right )^2 \left (a+b \sec ^{-1}(c x)\right )}{x^8} \, dx=- \frac {a d^{2}}{7 x^{7}} - \frac {2 a d e}{5 x^{5}} - \frac {a e^{2}}{3 x^{3}} - \frac {b d^{2} \operatorname {asec}{\left (c x \right )}}{7 x^{7}} - \frac {2 b d e \operatorname {asec}{\left (c x \right )}}{5 x^{5}} - \frac {b e^{2} \operatorname {asec}{\left (c x \right )}}{3 x^{3}} + \frac {b d^{2} \left (\begin {cases} \frac {16 c^{7} \sqrt {c^{2} x^{2} - 1}}{35 x} + \frac {8 c^{5} \sqrt {c^{2} x^{2} - 1}}{35 x^{3}} + \frac {6 c^{3} \sqrt {c^{2} x^{2} - 1}}{35 x^{5}} + \frac {c \sqrt {c^{2} x^{2} - 1}}{7 x^{7}} & \text {for}\: \left |{c^{2} x^{2}}\right | > 1 \\\frac {16 i c^{7} \sqrt {- c^{2} x^{2} + 1}}{35 x} + \frac {8 i c^{5} \sqrt {- c^{2} x^{2} + 1}}{35 x^{3}} + \frac {6 i c^{3} \sqrt {- c^{2} x^{2} + 1}}{35 x^{5}} + \frac {i c \sqrt {- c^{2} x^{2} + 1}}{7 x^{7}} & \text {otherwise} \end {cases}\right )}{7 c} + \frac {2 b d e \left (\begin {cases} \frac {8 c^{5} \sqrt {c^{2} x^{2} - 1}}{15 x} + \frac {4 c^{3} \sqrt {c^{2} x^{2} - 1}}{15 x^{3}} + \frac {c \sqrt {c^{2} x^{2} - 1}}{5 x^{5}} & \text {for}\: \left |{c^{2} x^{2}}\right | > 1 \\\frac {8 i c^{5} \sqrt {- c^{2} x^{2} + 1}}{15 x} + \frac {4 i c^{3} \sqrt {- c^{2} x^{2} + 1}}{15 x^{3}} + \frac {i c \sqrt {- c^{2} x^{2} + 1}}{5 x^{5}} & \text {otherwise} \end {cases}\right )}{5 c} + \frac {b e^{2} \left (\begin {cases} \frac {2 c^{3} \sqrt {c^{2} x^{2} - 1}}{3 x} + \frac {c \sqrt {c^{2} x^{2} - 1}}{3 x^{3}} & \text {for}\: \left |{c^{2} x^{2}}\right | > 1 \\\frac {2 i c^{3} \sqrt {- c^{2} x^{2} + 1}}{3 x} + \frac {i c \sqrt {- c^{2} x^{2} + 1}}{3 x^{3}} & \text {otherwise} \end {cases}\right )}{3 c} \]
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Time = 0.20 (sec) , antiderivative size = 241, normalized size of antiderivative = 1.00 \[ \int \frac {\left (d+e x^2\right )^2 \left (a+b \sec ^{-1}(c x)\right )}{x^8} \, dx=-\frac {1}{245} \, b d^{2} {\left (\frac {5 \, c^{8} {\left (-\frac {1}{c^{2} x^{2}} + 1\right )}^{\frac {7}{2}} - 21 \, c^{8} {\left (-\frac {1}{c^{2} x^{2}} + 1\right )}^{\frac {5}{2}} + 35 \, c^{8} {\left (-\frac {1}{c^{2} x^{2}} + 1\right )}^{\frac {3}{2}} - 35 \, c^{8} \sqrt {-\frac {1}{c^{2} x^{2}} + 1}}{c} + \frac {35 \, \operatorname {arcsec}\left (c x\right )}{x^{7}}\right )} + \frac {2}{75} \, b d e {\left (\frac {3 \, c^{6} {\left (-\frac {1}{c^{2} x^{2}} + 1\right )}^{\frac {5}{2}} - 10 \, c^{6} {\left (-\frac {1}{c^{2} x^{2}} + 1\right )}^{\frac {3}{2}} + 15 \, c^{6} \sqrt {-\frac {1}{c^{2} x^{2}} + 1}}{c} - \frac {15 \, \operatorname {arcsec}\left (c x\right )}{x^{5}}\right )} - \frac {1}{9} \, b e^{2} {\left (\frac {c^{4} {\left (-\frac {1}{c^{2} x^{2}} + 1\right )}^{\frac {3}{2}} - 3 \, c^{4} \sqrt {-\frac {1}{c^{2} x^{2}} + 1}}{c} + \frac {3 \, \operatorname {arcsec}\left (c x\right )}{x^{3}}\right )} - \frac {a e^{2}}{3 \, x^{3}} - \frac {2 \, a d e}{5 \, x^{5}} - \frac {a d^{2}}{7 \, x^{7}} \]
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Time = 0.30 (sec) , antiderivative size = 293, normalized size of antiderivative = 1.22 \[ \int \frac {\left (d+e x^2\right )^2 \left (a+b \sec ^{-1}(c x)\right )}{x^8} \, dx=\frac {1}{11025} \, {\left (720 \, b c^{6} d^{2} \sqrt {-\frac {1}{c^{2} x^{2}} + 1} + 2352 \, b c^{4} d e \sqrt {-\frac {1}{c^{2} x^{2}} + 1} + 2450 \, b c^{2} e^{2} \sqrt {-\frac {1}{c^{2} x^{2}} + 1} + \frac {360 \, b c^{4} d^{2} \sqrt {-\frac {1}{c^{2} x^{2}} + 1}}{x^{2}} + \frac {1176 \, b c^{2} d e \sqrt {-\frac {1}{c^{2} x^{2}} + 1}}{x^{2}} + \frac {270 \, b c^{2} d^{2} \sqrt {-\frac {1}{c^{2} x^{2}} + 1}}{x^{4}} + \frac {1225 \, b e^{2} \sqrt {-\frac {1}{c^{2} x^{2}} + 1}}{x^{2}} - \frac {3675 \, b e^{2} \arccos \left (\frac {1}{c x}\right )}{c x^{3}} + \frac {882 \, b d e \sqrt {-\frac {1}{c^{2} x^{2}} + 1}}{x^{4}} - \frac {3675 \, a e^{2}}{c x^{3}} - \frac {4410 \, b d e \arccos \left (\frac {1}{c x}\right )}{c x^{5}} + \frac {225 \, b d^{2} \sqrt {-\frac {1}{c^{2} x^{2}} + 1}}{x^{6}} - \frac {4410 \, a d e}{c x^{5}} - \frac {1575 \, b d^{2} \arccos \left (\frac {1}{c x}\right )}{c x^{7}} - \frac {1575 \, a d^{2}}{c x^{7}}\right )} c \]
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Timed out. \[ \int \frac {\left (d+e x^2\right )^2 \left (a+b \sec ^{-1}(c x)\right )}{x^8} \, dx=\int \frac {{\left (e\,x^2+d\right )}^2\,\left (a+b\,\mathrm {acos}\left (\frac {1}{c\,x}\right )\right )}{x^8} \,d x \]
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