Optimal. Leaf size=206 \[ -\frac {2 (b+2 c x) \left (C \left (a c+b^2\right )+5 A c^2\right )}{\left (b^2-4 a c\right )^3 \left (a+b x+c x^2\right )}-\frac {x \left (C \left (b^2-2 a c\right )+2 A c^2\right )+b c \left (\frac {a C}{c}+A\right )}{3 c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )^3}+\frac {8 c \left (C \left (a c+b^2\right )+5 A c^2\right ) \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )}{\left (b^2-4 a c\right )^{7/2}}+\frac {(b+2 c x) \left (C \left (a+\frac {b^2}{c}\right )+5 A c\right )}{3 \left (b^2-4 a c\right )^2 \left (a+b x+c x^2\right )^2} \]
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Rubi [A] time = 0.19, antiderivative size = 206, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {1660, 12, 614, 618, 206} \[ -\frac {2 (b+2 c x) \left (C \left (a c+b^2\right )+5 A c^2\right )}{\left (b^2-4 a c\right )^3 \left (a+b x+c x^2\right )}-\frac {x \left (C \left (b^2-2 a c\right )+2 A c^2\right )+b c \left (\frac {a C}{c}+A\right )}{3 c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )^3}+\frac {8 c \left (C \left (a c+b^2\right )+5 A c^2\right ) \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )}{\left (b^2-4 a c\right )^{7/2}}+\frac {(b+2 c x) \left (C \left (a+\frac {b^2}{c}\right )+5 A c\right )}{3 \left (b^2-4 a c\right )^2 \left (a+b x+c x^2\right )^2} \]
Antiderivative was successfully verified.
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Rule 12
Rule 206
Rule 614
Rule 618
Rule 1660
Rubi steps
\begin {align*} \int \frac {A+C x^2}{\left (a+b x+c x^2\right )^4} \, dx &=-\frac {b c \left (A+\frac {a C}{c}\right )+\left (2 A c^2+\left (b^2-2 a c\right ) C\right ) x}{3 c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )^3}-\frac {\int \frac {2 \left (5 A c+\left (a+\frac {b^2}{c}\right ) C\right )}{\left (a+b x+c x^2\right )^3} \, dx}{3 \left (b^2-4 a c\right )}\\ &=-\frac {b c \left (A+\frac {a C}{c}\right )+\left (2 A c^2+\left (b^2-2 a c\right ) C\right ) x}{3 c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )^3}-\frac {\left (2 \left (5 A c+\left (a+\frac {b^2}{c}\right ) C\right )\right ) \int \frac {1}{\left (a+b x+c x^2\right )^3} \, dx}{3 \left (b^2-4 a c\right )}\\ &=-\frac {b c \left (A+\frac {a C}{c}\right )+\left (2 A c^2+\left (b^2-2 a c\right ) C\right ) x}{3 c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )^3}+\frac {\left (5 A c+\left (a+\frac {b^2}{c}\right ) C\right ) (b+2 c x)}{3 \left (b^2-4 a c\right )^2 \left (a+b x+c x^2\right )^2}+\frac {\left (2 \left (5 A c^2+\left (b^2+a c\right ) C\right )\right ) \int \frac {1}{\left (a+b x+c x^2\right )^2} \, dx}{\left (b^2-4 a c\right )^2}\\ &=-\frac {b c \left (A+\frac {a C}{c}\right )+\left (2 A c^2+\left (b^2-2 a c\right ) C\right ) x}{3 c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )^3}+\frac {\left (5 A c+\left (a+\frac {b^2}{c}\right ) C\right ) (b+2 c x)}{3 \left (b^2-4 a c\right )^2 \left (a+b x+c x^2\right )^2}-\frac {2 \left (5 A c^2+\left (b^2+a c\right ) C\right ) (b+2 c x)}{\left (b^2-4 a c\right )^3 \left (a+b x+c x^2\right )}-\frac {\left (4 c \left (5 A c^2+\left (b^2+a c\right ) C\right )\right ) \int \frac {1}{a+b x+c x^2} \, dx}{\left (b^2-4 a c\right )^3}\\ &=-\frac {b c \left (A+\frac {a C}{c}\right )+\left (2 A c^2+\left (b^2-2 a c\right ) C\right ) x}{3 c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )^3}+\frac {\left (5 A c+\left (a+\frac {b^2}{c}\right ) C\right ) (b+2 c x)}{3 \left (b^2-4 a c\right )^2 \left (a+b x+c x^2\right )^2}-\frac {2 \left (5 A c^2+\left (b^2+a c\right ) C\right ) (b+2 c x)}{\left (b^2-4 a c\right )^3 \left (a+b x+c x^2\right )}+\frac {\left (8 c \left (5 A c^2+\left (b^2+a c\right ) C\right )\right ) \operatorname {Subst}\left (\int \frac {1}{b^2-4 a c-x^2} \, dx,x,b+2 c x\right )}{\left (b^2-4 a c\right )^3}\\ &=-\frac {b c \left (A+\frac {a C}{c}\right )+\left (2 A c^2+\left (b^2-2 a c\right ) C\right ) x}{3 c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )^3}+\frac {\left (5 A c+\left (a+\frac {b^2}{c}\right ) C\right ) (b+2 c x)}{3 \left (b^2-4 a c\right )^2 \left (a+b x+c x^2\right )^2}-\frac {2 \left (5 A c^2+\left (b^2+a c\right ) C\right ) (b+2 c x)}{\left (b^2-4 a c\right )^3 \left (a+b x+c x^2\right )}+\frac {8 c \left (5 A c^2+\left (b^2+a c\right ) C\right ) \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )}{\left (b^2-4 a c\right )^{7/2}}\\ \end {align*}
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Mathematica [A] time = 0.41, size = 204, normalized size = 0.99 \[ \frac {1}{3} \left (-\frac {6 (b+2 c x) \left (C \left (a c+b^2\right )+5 A c^2\right )}{\left (b^2-4 a c\right )^3 (a+x (b+c x))}+\frac {(b+2 c x) \left (C \left (a c+b^2\right )+5 A c^2\right )}{c \left (b^2-4 a c\right )^2 (a+x (b+c x))^2}+\frac {24 c \left (C \left (a c+b^2\right )+5 A c^2\right ) \tan ^{-1}\left (\frac {b+2 c x}{\sqrt {4 a c-b^2}}\right )}{\left (4 a c-b^2\right )^{7/2}}+\frac {a C (b-2 c x)+A c (b+2 c x)+b^2 C x}{c \left (4 a c-b^2\right ) (a+x (b+c x))^3}\right ) \]
Antiderivative was successfully verified.
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fricas [B] time = 0.97, size = 2103, normalized size = 10.21 \[ \text {result too large to display} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 0.17, size = 407, normalized size = 1.98 \[ -\frac {8 \, {\left (C b^{2} c + C a c^{2} + 5 \, A c^{3}\right )} \arctan \left (\frac {2 \, c x + b}{\sqrt {-b^{2} + 4 \, a c}}\right )}{{\left (b^{6} - 12 \, a b^{4} c + 48 \, a^{2} b^{2} c^{2} - 64 \, a^{3} c^{3}\right )} \sqrt {-b^{2} + 4 \, a c}} - \frac {12 \, C b^{2} c^{3} x^{5} + 12 \, C a c^{4} x^{5} + 60 \, A c^{5} x^{5} + 30 \, C b^{3} c^{2} x^{4} + 30 \, C a b c^{3} x^{4} + 150 \, A b c^{4} x^{4} + 22 \, C b^{4} c x^{3} + 54 \, C a b^{2} c^{2} x^{3} + 32 \, C a^{2} c^{3} x^{3} + 110 \, A b^{2} c^{3} x^{3} + 160 \, A a c^{4} x^{3} + 3 \, C b^{5} x^{2} + 51 \, C a b^{3} c x^{2} + 48 \, C a^{2} b c^{2} x^{2} + 15 \, A b^{3} c^{2} x^{2} + 240 \, A a b c^{3} x^{2} + 3 \, C a b^{4} x + 66 \, C a^{2} b^{2} c x - 3 \, A b^{4} c x - 12 \, C a^{3} c^{2} x + 54 \, A a b^{2} c^{2} x + 132 \, A a^{2} c^{3} x + C a^{2} b^{3} + A b^{5} + 26 \, C a^{3} b c - 13 \, A a b^{3} c + 66 \, A a^{2} b c^{2}}{3 \, {\left (b^{6} - 12 \, a b^{4} c + 48 \, a^{2} b^{2} c^{2} - 64 \, a^{3} c^{3}\right )} {\left (c x^{2} + b x + a\right )}^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.02, size = 643, normalized size = 3.12 \[ \frac {40 A \,c^{3} \arctan \left (\frac {2 c x +b}{\sqrt {4 a c -b^{2}}}\right )}{\left (64 c^{3} a^{3}-48 a^{2} b^{2} c^{2}+12 a \,b^{4} c -b^{6}\right ) \sqrt {4 a c -b^{2}}}+\frac {8 C a \,c^{2} \arctan \left (\frac {2 c x +b}{\sqrt {4 a c -b^{2}}}\right )}{\left (64 c^{3} a^{3}-48 a^{2} b^{2} c^{2}+12 a \,b^{4} c -b^{6}\right ) \sqrt {4 a c -b^{2}}}+\frac {8 C \,b^{2} c \arctan \left (\frac {2 c x +b}{\sqrt {4 a c -b^{2}}}\right )}{\left (64 c^{3} a^{3}-48 a^{2} b^{2} c^{2}+12 a \,b^{4} c -b^{6}\right ) \sqrt {4 a c -b^{2}}}+\frac {\frac {4 \left (5 A \,c^{2}+C a c +C \,b^{2}\right ) c^{3} x^{5}}{64 c^{3} a^{3}-48 a^{2} b^{2} c^{2}+12 a \,b^{4} c -b^{6}}+\frac {10 \left (5 A \,c^{2}+C a c +C \,b^{2}\right ) b \,c^{2} x^{4}}{64 c^{3} a^{3}-48 a^{2} b^{2} c^{2}+12 a \,b^{4} c -b^{6}}+\frac {2 \left (16 a c +11 b^{2}\right ) \left (5 A \,c^{2}+C a c +C \,b^{2}\right ) c \,x^{3}}{3 \left (64 c^{3} a^{3}-48 a^{2} b^{2} c^{2}+12 a \,b^{4} c -b^{6}\right )}+\frac {\left (16 a c +b^{2}\right ) \left (5 A \,c^{2}+C a c +C \,b^{2}\right ) b \,x^{2}}{64 c^{3} a^{3}-48 a^{2} b^{2} c^{2}+12 a \,b^{4} c -b^{6}}+\frac {\left (66 A \,a^{2} c^{2}-13 A a \,b^{2} c +A \,b^{4}+26 C \,a^{3} c +C \,a^{2} b^{2}\right ) b}{192 c^{3} a^{3}-144 a^{2} b^{2} c^{2}+36 a \,b^{4} c -3 b^{6}}+\frac {\left (44 A \,a^{2} c^{3}+18 A a \,b^{2} c^{2}-A \,b^{4} c -4 C \,a^{3} c^{2}+22 C \,a^{2} b^{2} c +C a \,b^{4}\right ) x}{64 c^{3} a^{3}-48 a^{2} b^{2} c^{2}+12 a \,b^{4} c -b^{6}}}{\left (c \,x^{2}+b x +a \right )^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: ValueError} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 4.36, size = 698, normalized size = 3.39 \[ -\frac {\frac {26\,C\,a^3\,b\,c+C\,a^2\,b^3+66\,A\,a^2\,b\,c^2-13\,A\,a\,b^3\,c+A\,b^5}{3\,\left (-64\,a^3\,c^3+48\,a^2\,b^2\,c^2-12\,a\,b^4\,c+b^6\right )}+\frac {x\,\left (-4\,C\,a^3\,c^2+22\,C\,a^2\,b^2\,c+44\,A\,a^2\,c^3+C\,a\,b^4+18\,A\,a\,b^2\,c^2-A\,b^4\,c\right )}{-64\,a^3\,c^3+48\,a^2\,b^2\,c^2-12\,a\,b^4\,c+b^6}+\frac {2\,x^3\,\left (11\,b^2\,c+16\,a\,c^2\right )\,\left (C\,b^2+5\,A\,c^2+C\,a\,c\right )}{3\,\left (-64\,a^3\,c^3+48\,a^2\,b^2\,c^2-12\,a\,b^4\,c+b^6\right )}+\frac {x^2\,\left (b^3+16\,a\,c\,b\right )\,\left (C\,b^2+5\,A\,c^2+C\,a\,c\right )}{-64\,a^3\,c^3+48\,a^2\,b^2\,c^2-12\,a\,b^4\,c+b^6}+\frac {4\,c^3\,x^5\,\left (C\,b^2+5\,A\,c^2+C\,a\,c\right )}{-64\,a^3\,c^3+48\,a^2\,b^2\,c^2-12\,a\,b^4\,c+b^6}+\frac {10\,b\,c^2\,x^4\,\left (C\,b^2+5\,A\,c^2+C\,a\,c\right )}{-64\,a^3\,c^3+48\,a^2\,b^2\,c^2-12\,a\,b^4\,c+b^6}}{x^2\,\left (3\,c\,a^2+3\,a\,b^2\right )+x^4\,\left (3\,b^2\,c+3\,a\,c^2\right )+a^3+x^3\,\left (b^3+6\,a\,c\,b\right )+c^3\,x^6+3\,b\,c^2\,x^5+3\,a^2\,b\,x}-\frac {8\,c\,\mathrm {atan}\left (\frac {\left (\frac {8\,c^2\,x\,\left (C\,b^2+5\,A\,c^2+C\,a\,c\right )}{{\left (4\,a\,c-b^2\right )}^{7/2}}+\frac {4\,c\,\left (C\,b^2+5\,A\,c^2+C\,a\,c\right )\,\left (-64\,a^3\,b\,c^3+48\,a^2\,b^3\,c^2-12\,a\,b^5\,c+b^7\right )}{{\left (4\,a\,c-b^2\right )}^{7/2}\,\left (-64\,a^3\,c^3+48\,a^2\,b^2\,c^2-12\,a\,b^4\,c+b^6\right )}\right )\,\left (-64\,a^3\,c^3+48\,a^2\,b^2\,c^2-12\,a\,b^4\,c+b^6\right )}{4\,C\,b^2\,c+20\,A\,c^3+4\,C\,a\,c^2}\right )\,\left (C\,b^2+5\,A\,c^2+C\,a\,c\right )}{{\left (4\,a\,c-b^2\right )}^{7/2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [B] time = 4.22, size = 1224, normalized size = 5.94 \[ - 4 c \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{7}}} \left (5 A c^{2} + C a c + C b^{2}\right ) \log {\left (x + \frac {20 A b c^{3} + 4 C a b c^{2} + 4 C b^{3} c - 1024 a^{4} c^{5} \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{7}}} \left (5 A c^{2} + C a c + C b^{2}\right ) + 1024 a^{3} b^{2} c^{4} \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{7}}} \left (5 A c^{2} + C a c + C b^{2}\right ) - 384 a^{2} b^{4} c^{3} \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{7}}} \left (5 A c^{2} + C a c + C b^{2}\right ) + 64 a b^{6} c^{2} \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{7}}} \left (5 A c^{2} + C a c + C b^{2}\right ) - 4 b^{8} c \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{7}}} \left (5 A c^{2} + C a c + C b^{2}\right )}{40 A c^{4} + 8 C a c^{3} + 8 C b^{2} c^{2}} \right )} + 4 c \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{7}}} \left (5 A c^{2} + C a c + C b^{2}\right ) \log {\left (x + \frac {20 A b c^{3} + 4 C a b c^{2} + 4 C b^{3} c + 1024 a^{4} c^{5} \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{7}}} \left (5 A c^{2} + C a c + C b^{2}\right ) - 1024 a^{3} b^{2} c^{4} \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{7}}} \left (5 A c^{2} + C a c + C b^{2}\right ) + 384 a^{2} b^{4} c^{3} \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{7}}} \left (5 A c^{2} + C a c + C b^{2}\right ) - 64 a b^{6} c^{2} \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{7}}} \left (5 A c^{2} + C a c + C b^{2}\right ) + 4 b^{8} c \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{7}}} \left (5 A c^{2} + C a c + C b^{2}\right )}{40 A c^{4} + 8 C a c^{3} + 8 C b^{2} c^{2}} \right )} + \frac {66 A a^{2} b c^{2} - 13 A a b^{3} c + A b^{5} + 26 C a^{3} b c + C a^{2} b^{3} + x^{5} \left (60 A c^{5} + 12 C a c^{4} + 12 C b^{2} c^{3}\right ) + x^{4} \left (150 A b c^{4} + 30 C a b c^{3} + 30 C b^{3} c^{2}\right ) + x^{3} \left (160 A a c^{4} + 110 A b^{2} c^{3} + 32 C a^{2} c^{3} + 54 C a b^{2} c^{2} + 22 C b^{4} c\right ) + x^{2} \left (240 A a b c^{3} + 15 A b^{3} c^{2} + 48 C a^{2} b c^{2} + 51 C a b^{3} c + 3 C b^{5}\right ) + x \left (132 A a^{2} c^{3} + 54 A a b^{2} c^{2} - 3 A b^{4} c - 12 C a^{3} c^{2} + 66 C a^{2} b^{2} c + 3 C a b^{4}\right )}{192 a^{6} c^{3} - 144 a^{5} b^{2} c^{2} + 36 a^{4} b^{4} c - 3 a^{3} b^{6} + x^{6} \left (192 a^{3} c^{6} - 144 a^{2} b^{2} c^{5} + 36 a b^{4} c^{4} - 3 b^{6} c^{3}\right ) + x^{5} \left (576 a^{3} b c^{5} - 432 a^{2} b^{3} c^{4} + 108 a b^{5} c^{3} - 9 b^{7} c^{2}\right ) + x^{4} \left (576 a^{4} c^{5} + 144 a^{3} b^{2} c^{4} - 324 a^{2} b^{4} c^{3} + 99 a b^{6} c^{2} - 9 b^{8} c\right ) + x^{3} \left (1152 a^{4} b c^{4} - 672 a^{3} b^{3} c^{3} + 72 a^{2} b^{5} c^{2} + 18 a b^{7} c - 3 b^{9}\right ) + x^{2} \left (576 a^{5} c^{4} + 144 a^{4} b^{2} c^{3} - 324 a^{3} b^{4} c^{2} + 99 a^{2} b^{6} c - 9 a b^{8}\right ) + x \left (576 a^{5} b c^{3} - 432 a^{4} b^{3} c^{2} + 108 a^{3} b^{5} c - 9 a^{2} b^{7}\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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