Optimal. Leaf size=190 \[ -\frac {b n \sqrt {b^2-4 a c} \left (b^2-2 a c\right ) \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )}{4 a^4}-\frac {b n \left (b^2-3 a c\right )}{4 a^3 x}+\frac {n \left (b^2-2 a c\right )}{8 a^2 x^2}+\frac {n \left (2 a^2 c^2-4 a b^2 c+b^4\right ) \log \left (a+b x+c x^2\right )}{8 a^4}-\frac {n \log (x) \left (2 a^2 c^2-4 a b^2 c+b^4\right )}{4 a^4}-\frac {\log \left (d \left (a+b x+c x^2\right )^n\right )}{4 x^4}-\frac {b n}{12 a x^3} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.22, antiderivative size = 190, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 6, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.316, Rules used = {2525, 800, 634, 618, 206, 628} \[ \frac {n \left (2 a^2 c^2-4 a b^2 c+b^4\right ) \log \left (a+b x+c x^2\right )}{8 a^4}-\frac {n \log (x) \left (2 a^2 c^2-4 a b^2 c+b^4\right )}{4 a^4}+\frac {n \left (b^2-2 a c\right )}{8 a^2 x^2}-\frac {b n \left (b^2-3 a c\right )}{4 a^3 x}-\frac {b n \sqrt {b^2-4 a c} \left (b^2-2 a c\right ) \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )}{4 a^4}-\frac {\log \left (d \left (a+b x+c x^2\right )^n\right )}{4 x^4}-\frac {b n}{12 a x^3} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 206
Rule 618
Rule 628
Rule 634
Rule 800
Rule 2525
Rubi steps
\begin {align*} \int \frac {\log \left (d \left (a+b x+c x^2\right )^n\right )}{x^5} \, dx &=-\frac {\log \left (d \left (a+b x+c x^2\right )^n\right )}{4 x^4}+\frac {1}{4} n \int \frac {b+2 c x}{x^4 \left (a+b x+c x^2\right )} \, dx\\ &=-\frac {\log \left (d \left (a+b x+c x^2\right )^n\right )}{4 x^4}+\frac {1}{4} n \int \left (\frac {b}{a x^4}+\frac {-b^2+2 a c}{a^2 x^3}+\frac {b^3-3 a b c}{a^3 x^2}+\frac {-b^4+4 a b^2 c-2 a^2 c^2}{a^4 x}+\frac {b \left (b^4-5 a b^2 c+5 a^2 c^2\right )+c \left (b^4-4 a b^2 c+2 a^2 c^2\right ) x}{a^4 \left (a+b x+c x^2\right )}\right ) \, dx\\ &=-\frac {b n}{12 a x^3}+\frac {\left (b^2-2 a c\right ) n}{8 a^2 x^2}-\frac {b \left (b^2-3 a c\right ) n}{4 a^3 x}-\frac {\left (b^4-4 a b^2 c+2 a^2 c^2\right ) n \log (x)}{4 a^4}-\frac {\log \left (d \left (a+b x+c x^2\right )^n\right )}{4 x^4}+\frac {n \int \frac {b \left (b^4-5 a b^2 c+5 a^2 c^2\right )+c \left (b^4-4 a b^2 c+2 a^2 c^2\right ) x}{a+b x+c x^2} \, dx}{4 a^4}\\ &=-\frac {b n}{12 a x^3}+\frac {\left (b^2-2 a c\right ) n}{8 a^2 x^2}-\frac {b \left (b^2-3 a c\right ) n}{4 a^3 x}-\frac {\left (b^4-4 a b^2 c+2 a^2 c^2\right ) n \log (x)}{4 a^4}-\frac {\log \left (d \left (a+b x+c x^2\right )^n\right )}{4 x^4}+\frac {\left (b \left (b^2-4 a c\right ) \left (b^2-2 a c\right ) n\right ) \int \frac {1}{a+b x+c x^2} \, dx}{8 a^4}+\frac {\left (\left (b^4-4 a b^2 c+2 a^2 c^2\right ) n\right ) \int \frac {b+2 c x}{a+b x+c x^2} \, dx}{8 a^4}\\ &=-\frac {b n}{12 a x^3}+\frac {\left (b^2-2 a c\right ) n}{8 a^2 x^2}-\frac {b \left (b^2-3 a c\right ) n}{4 a^3 x}-\frac {\left (b^4-4 a b^2 c+2 a^2 c^2\right ) n \log (x)}{4 a^4}+\frac {\left (b^4-4 a b^2 c+2 a^2 c^2\right ) n \log \left (a+b x+c x^2\right )}{8 a^4}-\frac {\log \left (d \left (a+b x+c x^2\right )^n\right )}{4 x^4}-\frac {\left (b \left (b^2-4 a c\right ) \left (b^2-2 a c\right ) n\right ) \operatorname {Subst}\left (\int \frac {1}{b^2-4 a c-x^2} \, dx,x,b+2 c x\right )}{4 a^4}\\ &=-\frac {b n}{12 a x^3}+\frac {\left (b^2-2 a c\right ) n}{8 a^2 x^2}-\frac {b \left (b^2-3 a c\right ) n}{4 a^3 x}-\frac {b \sqrt {b^2-4 a c} \left (b^2-2 a c\right ) n \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )}{4 a^4}-\frac {\left (b^4-4 a b^2 c+2 a^2 c^2\right ) n \log (x)}{4 a^4}+\frac {\left (b^4-4 a b^2 c+2 a^2 c^2\right ) n \log \left (a+b x+c x^2\right )}{8 a^4}-\frac {\log \left (d \left (a+b x+c x^2\right )^n\right )}{4 x^4}\\ \end {align*}
________________________________________________________________________________________
Mathematica [A] time = 0.46, size = 172, normalized size = 0.91 \[ -\frac {\frac {n x \left (2 a^3 b-3 a^2 x \left (b^2-2 a c\right )+6 x^3 \log (x) \left (2 a^2 c^2-4 a b^2 c+b^4\right )-3 x^3 \left (2 a^2 c^2-4 a b^2 c+b^4\right ) \log (a+x (b+c x))+6 b x^3 \sqrt {b^2-4 a c} \left (b^2-2 a c\right ) \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )+6 a b x^2 \left (b^2-3 a c\right )\right )}{a^4}+6 \log \left (d (a+x (b+c x))^n\right )}{24 x^4} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
fricas [A] time = 0.55, size = 404, normalized size = 2.13 \[ \left [-\frac {3 \, {\left (b^{3} - 2 \, a b c\right )} \sqrt {b^{2} - 4 \, a c} n x^{4} \log \left (\frac {2 \, c^{2} x^{2} + 2 \, b c x + b^{2} - 2 \, a c + \sqrt {b^{2} - 4 \, a c} {\left (2 \, c x + b\right )}}{c x^{2} + b x + a}\right ) + 6 \, {\left (b^{4} - 4 \, a b^{2} c + 2 \, a^{2} c^{2}\right )} n x^{4} \log \relax (x) + 2 \, a^{3} b n x + 6 \, {\left (a b^{3} - 3 \, a^{2} b c\right )} n x^{3} + 6 \, a^{4} \log \relax (d) - 3 \, {\left (a^{2} b^{2} - 2 \, a^{3} c\right )} n x^{2} - 3 \, {\left ({\left (b^{4} - 4 \, a b^{2} c + 2 \, a^{2} c^{2}\right )} n x^{4} - 2 \, a^{4} n\right )} \log \left (c x^{2} + b x + a\right )}{24 \, a^{4} x^{4}}, -\frac {6 \, {\left (b^{3} - 2 \, a b c\right )} \sqrt {-b^{2} + 4 \, a c} n x^{4} \arctan \left (-\frac {\sqrt {-b^{2} + 4 \, a c} {\left (2 \, c x + b\right )}}{b^{2} - 4 \, a c}\right ) + 6 \, {\left (b^{4} - 4 \, a b^{2} c + 2 \, a^{2} c^{2}\right )} n x^{4} \log \relax (x) + 2 \, a^{3} b n x + 6 \, {\left (a b^{3} - 3 \, a^{2} b c\right )} n x^{3} + 6 \, a^{4} \log \relax (d) - 3 \, {\left (a^{2} b^{2} - 2 \, a^{3} c\right )} n x^{2} - 3 \, {\left ({\left (b^{4} - 4 \, a b^{2} c + 2 \, a^{2} c^{2}\right )} n x^{4} - 2 \, a^{4} n\right )} \log \left (c x^{2} + b x + a\right )}{24 \, a^{4} x^{4}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
giac [A] time = 0.21, size = 210, normalized size = 1.11 \[ \frac {{\left (b^{4} n - 4 \, a b^{2} c n + 2 \, a^{2} c^{2} n\right )} \log \left (c x^{2} + b x + a\right )}{8 \, a^{4}} - \frac {n \log \left (c x^{2} + b x + a\right )}{4 \, x^{4}} - \frac {{\left (b^{4} n - 4 \, a b^{2} c n + 2 \, a^{2} c^{2} n\right )} \log \relax (x)}{4 \, a^{4}} + \frac {{\left (b^{5} n - 6 \, a b^{3} c n + 8 \, a^{2} b c^{2} n\right )} \arctan \left (\frac {2 \, c x + b}{\sqrt {-b^{2} + 4 \, a c}}\right )}{4 \, \sqrt {-b^{2} + 4 \, a c} a^{4}} - \frac {6 \, b^{3} n x^{3} - 18 \, a b c n x^{3} - 3 \, a b^{2} n x^{2} + 6 \, a^{2} c n x^{2} + 2 \, a^{2} b n x + 6 \, a^{3} \log \relax (d)}{24 \, a^{3} x^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maple [C] time = 0.88, size = 505, normalized size = 2.66 \[ -\frac {\ln \left (\left (c \,x^{2}+b x +a \right )^{n}\right )}{4 x^{4}}-\frac {12 a^{2} c^{2} n \,x^{4} \ln \relax (x )-24 a \,b^{2} c n \,x^{4} \ln \relax (x )+6 b^{4} n \,x^{4} \ln \relax (x )-6 a^{4} x^{4} \RootOf \left (\textit {\_Z}^{2} a^{4}+c^{4} n^{2}+\left (-2 a^{2} c^{2} n +4 a \,b^{2} c n -b^{4} n \right ) \textit {\_Z} \right ) \ln \left (-\RootOf \left (\textit {\_Z}^{2} a^{4}+c^{4} n^{2}+\left (-2 a^{2} c^{2} n +4 a \,b^{2} c n -b^{4} n \right ) \textit {\_Z} \right )^{2} a^{7} b -6 a^{3} b \,c^{4} n^{2}+14 a^{2} b^{3} c^{3} n^{2}-7 a \,b^{5} c^{2} n^{2}+b^{7} c \,n^{2}+\left (-5 a^{5} b \,c^{2} n +5 a^{4} b^{3} c n -a^{3} b^{5} n \right ) \RootOf \left (\textit {\_Z}^{2} a^{4}+c^{4} n^{2}+\left (-2 a^{2} c^{2} n +4 a \,b^{2} c n -b^{4} n \right ) \textit {\_Z} \right )+\left (9 a^{2} b^{2} c^{4} n^{2}-6 a \,b^{4} c^{3} n^{2}+b^{6} c^{2} n^{2}+\left (6 a^{7} c -2 a^{6} b^{2}\right ) \RootOf \left (\textit {\_Z}^{2} a^{4}+c^{4} n^{2}+\left (-2 a^{2} c^{2} n +4 a \,b^{2} c n -b^{4} n \right ) \textit {\_Z} \right )^{2}+\left (-6 a^{5} c^{3} n +9 a^{4} b^{2} c^{2} n -2 a^{3} b^{4} c n \right ) \RootOf \left (\textit {\_Z}^{2} a^{4}+c^{4} n^{2}+\left (-2 a^{2} c^{2} n +4 a \,b^{2} c n -b^{4} n \right ) \textit {\_Z} \right )\right ) x \right )-18 a^{2} b c n \,x^{3}+6 a \,b^{3} n \,x^{3}-3 i \pi \,a^{4} \mathrm {csgn}\left (i d \right ) \mathrm {csgn}\left (i \left (c \,x^{2}+b x +a \right )^{n}\right ) \mathrm {csgn}\left (i d \left (c \,x^{2}+b x +a \right )^{n}\right )+3 i \pi \,a^{4} \mathrm {csgn}\left (i d \right ) \mathrm {csgn}\left (i d \left (c \,x^{2}+b x +a \right )^{n}\right )^{2}+3 i \pi \,a^{4} \mathrm {csgn}\left (i \left (c \,x^{2}+b x +a \right )^{n}\right ) \mathrm {csgn}\left (i d \left (c \,x^{2}+b x +a \right )^{n}\right )^{2}-3 i \pi \,a^{4} \mathrm {csgn}\left (i d \left (c \,x^{2}+b x +a \right )^{n}\right )^{3}+6 a^{3} c n \,x^{2}-3 a^{2} b^{2} n \,x^{2}+2 a^{3} b n x +6 a^{4} \ln \relax (d )}{24 a^{4} x^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
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.
[In]
[Out]
________________________________________________________________________________________
mupad [B] time = 1.07, size = 627, normalized size = 3.30 \[ \frac {\ln \left (2\,a\,b^6+2\,b^7\,x-12\,a^4\,c^3+2\,a\,b^5\,\sqrt {b^2-4\,a\,c}+2\,b^6\,x\,\sqrt {b^2-4\,a\,c}-15\,a^2\,b^4\,c+31\,a^3\,b^2\,c^2+37\,a^2\,b^3\,c^2\,x-16\,a\,b^5\,c\,x-20\,a^3\,b\,c^3\,x-9\,a^2\,b^3\,c\,\sqrt {b^2-4\,a\,c}+7\,a^3\,b\,c^2\,\sqrt {b^2-4\,a\,c}-6\,a^3\,c^3\,x\,\sqrt {b^2-4\,a\,c}-12\,a\,b^4\,c\,x\,\sqrt {b^2-4\,a\,c}+19\,a^2\,b^2\,c^2\,x\,\sqrt {b^2-4\,a\,c}\right )\,\left (\frac {b^4\,n}{8}-a\,\left (\frac {b^2\,c\,n}{2}+\frac {b\,c\,n\,\sqrt {b^2-4\,a\,c}}{4}\right )+\frac {b^3\,n\,\sqrt {b^2-4\,a\,c}}{8}+\frac {a^2\,c^2\,n}{4}\right )}{a^4}-\frac {\ln \left (d\,{\left (c\,x^2+b\,x+a\right )}^n\right )}{4\,x^4}-\frac {\ln \relax (x)\,\left (2\,n\,a^2\,c^2-4\,n\,a\,b^2\,c+n\,b^4\right )}{4\,a^4}-\frac {\ln \left (12\,a^4\,c^3-2\,b^7\,x-2\,a\,b^6+2\,a\,b^5\,\sqrt {b^2-4\,a\,c}+2\,b^6\,x\,\sqrt {b^2-4\,a\,c}+15\,a^2\,b^4\,c-31\,a^3\,b^2\,c^2-37\,a^2\,b^3\,c^2\,x+16\,a\,b^5\,c\,x+20\,a^3\,b\,c^3\,x-9\,a^2\,b^3\,c\,\sqrt {b^2-4\,a\,c}+7\,a^3\,b\,c^2\,\sqrt {b^2-4\,a\,c}-6\,a^3\,c^3\,x\,\sqrt {b^2-4\,a\,c}-12\,a\,b^4\,c\,x\,\sqrt {b^2-4\,a\,c}+19\,a^2\,b^2\,c^2\,x\,\sqrt {b^2-4\,a\,c}\right )\,\left (a\,\left (\frac {b^2\,c\,n}{2}-\frac {b\,c\,n\,\sqrt {b^2-4\,a\,c}}{4}\right )-\frac {b^4\,n}{8}+\frac {b^3\,n\,\sqrt {b^2-4\,a\,c}}{8}-\frac {a^2\,c^2\,n}{4}\right )}{a^4}-\frac {\frac {b\,n}{3\,a}+\frac {n\,x\,\left (2\,a\,c-b^2\right )}{2\,a^2}-\frac {b\,n\,x^2\,\left (3\,a\,c-b^2\right )}{a^3}}{4\,x^3} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
sympy [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________