Integrand size = 36, antiderivative size = 147 \[ \int \frac {b-c x+a x^2}{\left (-b+a x^2\right ) \sqrt {b x+a x^3}} \, dx=-\frac {\left (2 \sqrt {a} \sqrt {b}+c\right ) \arctan \left (\frac {\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {b x+a x^3}}{b+a x^2}\right )}{2 \sqrt {2} a^{3/4} b^{3/4}}-\frac {\left (2 \sqrt {a} \sqrt {b}-c\right ) \text {arctanh}\left (\frac {\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {b x+a x^3}}{b+a x^2}\right )}{2 \sqrt {2} a^{3/4} b^{3/4}} \]
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Result contains higher order function than in optimal. Order 4 vs. order 3 in optimal.
Time = 1.09 (sec) , antiderivative size = 284, normalized size of antiderivative = 1.93, number of steps used = 13, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.194, Rules used = {2081, 6857, 335, 226, 947, 174, 551} \[ \int \frac {b-c x+a x^2}{\left (-b+a x^2\right ) \sqrt {b x+a x^3}} \, dx=-\frac {\sqrt {x} \left (\frac {c}{\sqrt {a}}+2 \sqrt {b}\right ) \sqrt {\frac {a x^2}{b}+1} \operatorname {EllipticPi}\left (\frac {\sqrt {-a}}{\sqrt {a}},\arcsin \left (\frac {\sqrt [4]{-a} \sqrt {x}}{\sqrt [4]{b}}\right ),-1\right )}{\sqrt [4]{-a} \sqrt [4]{b} \sqrt {a x^3+b x}}-\frac {\sqrt {x} \left (2 \sqrt {b}-\frac {c}{\sqrt {a}}\right ) \sqrt {\frac {a x^2}{b}+1} \operatorname {EllipticPi}\left (\frac {\sqrt {a}}{\sqrt {-a}},\arcsin \left (\frac {\sqrt [4]{-a} \sqrt {x}}{\sqrt [4]{b}}\right ),-1\right )}{\sqrt [4]{-a} \sqrt [4]{b} \sqrt {a x^3+b x}}+\frac {\sqrt {x} \left (\sqrt {a} x+\sqrt {b}\right ) \sqrt {\frac {a x^2+b}{\left (\sqrt {a} x+\sqrt {b}\right )^2}} \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{a} \sqrt {x}}{\sqrt [4]{b}}\right ),\frac {1}{2}\right )}{\sqrt [4]{a} \sqrt [4]{b} \sqrt {a x^3+b x}} \]
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Rule 174
Rule 226
Rule 335
Rule 551
Rule 947
Rule 2081
Rule 6857
Rubi steps \begin{align*} \text {integral}& = \frac {\left (\sqrt {x} \sqrt {b+a x^2}\right ) \int \frac {b-c x+a x^2}{\sqrt {x} \left (-b+a x^2\right ) \sqrt {b+a x^2}} \, dx}{\sqrt {b x+a x^3}} \\ & = \frac {\left (\sqrt {x} \sqrt {b+a x^2}\right ) \int \left (\frac {1}{\sqrt {x} \sqrt {b+a x^2}}+\frac {2 b-c x}{\sqrt {x} \left (-b+a x^2\right ) \sqrt {b+a x^2}}\right ) \, dx}{\sqrt {b x+a x^3}} \\ & = \frac {\left (\sqrt {x} \sqrt {b+a x^2}\right ) \int \frac {1}{\sqrt {x} \sqrt {b+a x^2}} \, dx}{\sqrt {b x+a x^3}}+\frac {\left (\sqrt {x} \sqrt {b+a x^2}\right ) \int \frac {2 b-c x}{\sqrt {x} \left (-b+a x^2\right ) \sqrt {b+a x^2}} \, dx}{\sqrt {b x+a x^3}} \\ & = \frac {\left (\sqrt {x} \sqrt {b+a x^2}\right ) \int \left (-\frac {2 b^{3/2}-\frac {b c}{\sqrt {a}}}{2 b \sqrt {x} \left (\sqrt {b}-\sqrt {a} x\right ) \sqrt {b+a x^2}}-\frac {2 b^{3/2}+\frac {b c}{\sqrt {a}}}{2 b \sqrt {x} \left (\sqrt {b}+\sqrt {a} x\right ) \sqrt {b+a x^2}}\right ) \, dx}{\sqrt {b x+a x^3}}+\frac {\left (2 \sqrt {x} \sqrt {b+a x^2}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {b+a x^4}} \, dx,x,\sqrt {x}\right )}{\sqrt {b x+a x^3}} \\ & = \frac {\sqrt {x} \left (\sqrt {b}+\sqrt {a} x\right ) \sqrt {\frac {b+a x^2}{\left (\sqrt {b}+\sqrt {a} x\right )^2}} \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{a} \sqrt {x}}{\sqrt [4]{b}}\right ),\frac {1}{2}\right )}{\sqrt [4]{a} \sqrt [4]{b} \sqrt {b x+a x^3}}-\frac {\left (\left (2 \sqrt {b}-\frac {c}{\sqrt {a}}\right ) \sqrt {x} \sqrt {b+a x^2}\right ) \int \frac {1}{\sqrt {x} \left (\sqrt {b}-\sqrt {a} x\right ) \sqrt {b+a x^2}} \, dx}{2 \sqrt {b x+a x^3}}-\frac {\left (\left (2 \sqrt {b}+\frac {c}{\sqrt {a}}\right ) \sqrt {x} \sqrt {b+a x^2}\right ) \int \frac {1}{\sqrt {x} \left (\sqrt {b}+\sqrt {a} x\right ) \sqrt {b+a x^2}} \, dx}{2 \sqrt {b x+a x^3}} \\ & = \frac {\sqrt {x} \left (\sqrt {b}+\sqrt {a} x\right ) \sqrt {\frac {b+a x^2}{\left (\sqrt {b}+\sqrt {a} x\right )^2}} \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{a} \sqrt {x}}{\sqrt [4]{b}}\right ),\frac {1}{2}\right )}{\sqrt [4]{a} \sqrt [4]{b} \sqrt {b x+a x^3}}-\frac {\left (\left (2 \sqrt {b}-\frac {c}{\sqrt {a}}\right ) \sqrt {x} \sqrt {1+\frac {a x^2}{b}}\right ) \int \frac {1}{\sqrt {x} \left (\sqrt {b}-\sqrt {a} x\right ) \sqrt {1-\frac {\sqrt {-a} x}{\sqrt {b}}} \sqrt {1+\frac {\sqrt {-a} x}{\sqrt {b}}}} \, dx}{2 \sqrt {b x+a x^3}}-\frac {\left (\left (2 \sqrt {b}+\frac {c}{\sqrt {a}}\right ) \sqrt {x} \sqrt {1+\frac {a x^2}{b}}\right ) \int \frac {1}{\sqrt {x} \left (\sqrt {b}+\sqrt {a} x\right ) \sqrt {1-\frac {\sqrt {-a} x}{\sqrt {b}}} \sqrt {1+\frac {\sqrt {-a} x}{\sqrt {b}}}} \, dx}{2 \sqrt {b x+a x^3}} \\ & = \frac {\sqrt {x} \left (\sqrt {b}+\sqrt {a} x\right ) \sqrt {\frac {b+a x^2}{\left (\sqrt {b}+\sqrt {a} x\right )^2}} \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{a} \sqrt {x}}{\sqrt [4]{b}}\right ),\frac {1}{2}\right )}{\sqrt [4]{a} \sqrt [4]{b} \sqrt {b x+a x^3}}+\frac {\left (\left (2 \sqrt {b}-\frac {c}{\sqrt {a}}\right ) \sqrt {x} \sqrt {1+\frac {a x^2}{b}}\right ) \text {Subst}\left (\int \frac {1}{\left (-\sqrt {b}+\sqrt {a} x^2\right ) \sqrt {1-\frac {\sqrt {-a} x^2}{\sqrt {b}}} \sqrt {1+\frac {\sqrt {-a} x^2}{\sqrt {b}}}} \, dx,x,\sqrt {x}\right )}{\sqrt {b x+a x^3}}+\frac {\left (\left (2 \sqrt {b}+\frac {c}{\sqrt {a}}\right ) \sqrt {x} \sqrt {1+\frac {a x^2}{b}}\right ) \text {Subst}\left (\int \frac {1}{\left (-\sqrt {b}-\sqrt {a} x^2\right ) \sqrt {1-\frac {\sqrt {-a} x^2}{\sqrt {b}}} \sqrt {1+\frac {\sqrt {-a} x^2}{\sqrt {b}}}} \, dx,x,\sqrt {x}\right )}{\sqrt {b x+a x^3}} \\ & = \frac {\sqrt {x} \left (\sqrt {b}+\sqrt {a} x\right ) \sqrt {\frac {b+a x^2}{\left (\sqrt {b}+\sqrt {a} x\right )^2}} \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{a} \sqrt {x}}{\sqrt [4]{b}}\right ),\frac {1}{2}\right )}{\sqrt [4]{a} \sqrt [4]{b} \sqrt {b x+a x^3}}-\frac {\left (2 \sqrt {b}+\frac {c}{\sqrt {a}}\right ) \sqrt {x} \sqrt {1+\frac {a x^2}{b}} \operatorname {EllipticPi}\left (\frac {\sqrt {-a}}{\sqrt {a}},\arcsin \left (\frac {\sqrt [4]{-a} \sqrt {x}}{\sqrt [4]{b}}\right ),-1\right )}{\sqrt [4]{-a} \sqrt [4]{b} \sqrt {b x+a x^3}}-\frac {\left (2 \sqrt {b}-\frac {c}{\sqrt {a}}\right ) \sqrt {x} \sqrt {1+\frac {a x^2}{b}} \operatorname {EllipticPi}\left (\frac {\sqrt {a}}{\sqrt {-a}},\arcsin \left (\frac {\sqrt [4]{-a} \sqrt {x}}{\sqrt [4]{b}}\right ),-1\right )}{\sqrt [4]{-a} \sqrt [4]{b} \sqrt {b x+a x^3}} \\ \end{align*}
Time = 1.10 (sec) , antiderivative size = 147, normalized size of antiderivative = 1.00 \[ \int \frac {b-c x+a x^2}{\left (-b+a x^2\right ) \sqrt {b x+a x^3}} \, dx=-\frac {\sqrt {x} \sqrt {b+a x^2} \left (\left (2 \sqrt {a} \sqrt {b}+c\right ) \arctan \left (\frac {\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {x}}{\sqrt {b+a x^2}}\right )+\left (2 \sqrt {a} \sqrt {b}-c\right ) \text {arctanh}\left (\frac {\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {x}}{\sqrt {b+a x^2}}\right )\right )}{2 \sqrt {2} a^{3/4} b^{3/4} \sqrt {x \left (b+a x^2\right )}} \]
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Time = 0.51 (sec) , antiderivative size = 197, normalized size of antiderivative = 1.34
method | result | size |
default | \(\frac {\sqrt {2}\, \left (\ln \left (\frac {-\sqrt {2}\, \left (a b \right )^{\frac {1}{4}} x -\sqrt {\left (a \,x^{2}+b \right ) x}}{\sqrt {2}\, \left (a b \right )^{\frac {1}{4}} x -\sqrt {\left (a \,x^{2}+b \right ) x}}\right ) c \sqrt {a b}+2 \arctan \left (\frac {\sqrt {\left (a \,x^{2}+b \right ) x}\, \sqrt {2}}{2 x \left (a b \right )^{\frac {1}{4}}}\right ) c \sqrt {a b}-2 \ln \left (\frac {-\sqrt {2}\, \left (a b \right )^{\frac {1}{4}} x -\sqrt {\left (a \,x^{2}+b \right ) x}}{\sqrt {2}\, \left (a b \right )^{\frac {1}{4}} x -\sqrt {\left (a \,x^{2}+b \right ) x}}\right ) a b +4 \arctan \left (\frac {\sqrt {\left (a \,x^{2}+b \right ) x}\, \sqrt {2}}{2 x \left (a b \right )^{\frac {1}{4}}}\right ) a b \right )}{8 a b \left (a b \right )^{\frac {1}{4}}}\) | \(197\) |
pseudoelliptic | \(\frac {\sqrt {2}\, \left (\ln \left (\frac {-\sqrt {2}\, \left (a b \right )^{\frac {1}{4}} x -\sqrt {\left (a \,x^{2}+b \right ) x}}{\sqrt {2}\, \left (a b \right )^{\frac {1}{4}} x -\sqrt {\left (a \,x^{2}+b \right ) x}}\right ) c \sqrt {a b}+2 \arctan \left (\frac {\sqrt {\left (a \,x^{2}+b \right ) x}\, \sqrt {2}}{2 x \left (a b \right )^{\frac {1}{4}}}\right ) c \sqrt {a b}-2 \ln \left (\frac {-\sqrt {2}\, \left (a b \right )^{\frac {1}{4}} x -\sqrt {\left (a \,x^{2}+b \right ) x}}{\sqrt {2}\, \left (a b \right )^{\frac {1}{4}} x -\sqrt {\left (a \,x^{2}+b \right ) x}}\right ) a b +4 \arctan \left (\frac {\sqrt {\left (a \,x^{2}+b \right ) x}\, \sqrt {2}}{2 x \left (a b \right )^{\frac {1}{4}}}\right ) a b \right )}{8 a b \left (a b \right )^{\frac {1}{4}}}\) | \(197\) |
elliptic | \(\frac {\sqrt {-a b}\, \sqrt {\frac {x a}{\sqrt {-a b}}+1}\, \sqrt {-\frac {2 x a}{\sqrt {-a b}}+2}\, \sqrt {-\frac {x a}{\sqrt {-a b}}}\, \operatorname {EllipticF}\left (\sqrt {\frac {\left (x +\frac {\sqrt {-a b}}{a}\right ) a}{\sqrt {-a b}}}, \frac {\sqrt {2}}{2}\right )}{a \sqrt {a \,x^{3}+b x}}-\frac {\sqrt {-a b}\, \sqrt {\frac {x a}{\sqrt {-a b}}+1}\, \sqrt {-\frac {2 x a}{\sqrt {-a b}}+2}\, \sqrt {-\frac {x a}{\sqrt {-a b}}}\, \operatorname {EllipticPi}\left (\sqrt {\frac {\left (x +\frac {\sqrt {-a b}}{a}\right ) a}{\sqrt {-a b}}}, -\frac {\sqrt {-a b}}{a \left (-\frac {\sqrt {-a b}}{a}-\frac {\sqrt {a b}}{a}\right )}, \frac {\sqrt {2}}{2}\right ) c}{2 a^{2} \sqrt {a \,x^{3}+b x}\, \left (-\frac {\sqrt {-a b}}{a}-\frac {\sqrt {a b}}{a}\right )}+\frac {b \sqrt {-a b}\, \sqrt {\frac {x a}{\sqrt {-a b}}+1}\, \sqrt {-\frac {2 x a}{\sqrt {-a b}}+2}\, \sqrt {-\frac {x a}{\sqrt {-a b}}}\, \operatorname {EllipticPi}\left (\sqrt {\frac {\left (x +\frac {\sqrt {-a b}}{a}\right ) a}{\sqrt {-a b}}}, -\frac {\sqrt {-a b}}{a \left (-\frac {\sqrt {-a b}}{a}-\frac {\sqrt {a b}}{a}\right )}, \frac {\sqrt {2}}{2}\right )}{\sqrt {a b}\, a \sqrt {a \,x^{3}+b x}\, \left (-\frac {\sqrt {-a b}}{a}-\frac {\sqrt {a b}}{a}\right )}-\frac {\sqrt {-a b}\, \sqrt {\frac {x a}{\sqrt {-a b}}+1}\, \sqrt {-\frac {2 x a}{\sqrt {-a b}}+2}\, \sqrt {-\frac {x a}{\sqrt {-a b}}}\, \operatorname {EllipticPi}\left (\sqrt {\frac {\left (x +\frac {\sqrt {-a b}}{a}\right ) a}{\sqrt {-a b}}}, -\frac {\sqrt {-a b}}{a \left (-\frac {\sqrt {-a b}}{a}+\frac {\sqrt {a b}}{a}\right )}, \frac {\sqrt {2}}{2}\right ) c}{2 a^{2} \sqrt {a \,x^{3}+b x}\, \left (-\frac {\sqrt {-a b}}{a}+\frac {\sqrt {a b}}{a}\right )}-\frac {b \sqrt {-a b}\, \sqrt {\frac {x a}{\sqrt {-a b}}+1}\, \sqrt {-\frac {2 x a}{\sqrt {-a b}}+2}\, \sqrt {-\frac {x a}{\sqrt {-a b}}}\, \operatorname {EllipticPi}\left (\sqrt {\frac {\left (x +\frac {\sqrt {-a b}}{a}\right ) a}{\sqrt {-a b}}}, -\frac {\sqrt {-a b}}{a \left (-\frac {\sqrt {-a b}}{a}+\frac {\sqrt {a b}}{a}\right )}, \frac {\sqrt {2}}{2}\right )}{\sqrt {a b}\, a \sqrt {a \,x^{3}+b x}\, \left (-\frac {\sqrt {-a b}}{a}+\frac {\sqrt {a b}}{a}\right )}\) | \(691\) |
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Leaf count of result is larger than twice the leaf count of optimal. 1553 vs. \(2 (107) = 214\).
Time = 0.53 (sec) , antiderivative size = 1553, normalized size of antiderivative = 10.56 \[ \int \frac {b-c x+a x^2}{\left (-b+a x^2\right ) \sqrt {b x+a x^3}} \, dx=\text {Too large to display} \]
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\[ \int \frac {b-c x+a x^2}{\left (-b+a x^2\right ) \sqrt {b x+a x^3}} \, dx=\int \frac {a x^{2} + b - c x}{\sqrt {x \left (a x^{2} + b\right )} \left (a x^{2} - b\right )}\, dx \]
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\[ \int \frac {b-c x+a x^2}{\left (-b+a x^2\right ) \sqrt {b x+a x^3}} \, dx=\int { \frac {a x^{2} - c x + b}{\sqrt {a x^{3} + b x} {\left (a x^{2} - b\right )}} \,d x } \]
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\[ \int \frac {b-c x+a x^2}{\left (-b+a x^2\right ) \sqrt {b x+a x^3}} \, dx=\int { \frac {a x^{2} - c x + b}{\sqrt {a x^{3} + b x} {\left (a x^{2} - b\right )}} \,d x } \]
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Timed out. \[ \int \frac {b-c x+a x^2}{\left (-b+a x^2\right ) \sqrt {b x+a x^3}} \, dx=\text {Hanged} \]
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