Optimal. Leaf size=97 \[ -\frac {2 \tanh ^{-1}\left (\frac {\sqrt {a+b \sqrt {c+d x}}}{\sqrt {a-b \sqrt {c}}}\right )}{\sqrt {a-b \sqrt {c}}}-\frac {2 \tanh ^{-1}\left (\frac {\sqrt {a+b \sqrt {c+d x}}}{\sqrt {a+b \sqrt {c}}}\right )}{\sqrt {a+b \sqrt {c}}} \]
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Rubi [A] time = 0.09, antiderivative size = 97, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, integrand size = 21, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.238, Rules used = {371, 1398, 827, 1166, 207} \[ -\frac {2 \tanh ^{-1}\left (\frac {\sqrt {a+b \sqrt {c+d x}}}{\sqrt {a-b \sqrt {c}}}\right )}{\sqrt {a-b \sqrt {c}}}-\frac {2 \tanh ^{-1}\left (\frac {\sqrt {a+b \sqrt {c+d x}}}{\sqrt {a+b \sqrt {c}}}\right )}{\sqrt {a+b \sqrt {c}}} \]
Antiderivative was successfully verified.
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Rule 207
Rule 371
Rule 827
Rule 1166
Rule 1398
Rubi steps
\begin {align*} \int \frac {1}{x \sqrt {a+b \sqrt {c+d x}}} \, dx &=\operatorname {Subst}\left (\int \frac {1}{\sqrt {a+b \sqrt {x}} (-c+x)} \, dx,x,c+d x\right )\\ &=2 \operatorname {Subst}\left (\int \frac {x}{\sqrt {a+b x} \left (-c+x^2\right )} \, dx,x,\sqrt {c+d x}\right )\\ &=4 \operatorname {Subst}\left (\int \frac {-a+x^2}{a^2-b^2 c-2 a x^2+x^4} \, dx,x,\sqrt {a+b \sqrt {c+d x}}\right )\\ &=2 \operatorname {Subst}\left (\int \frac {1}{-a-b \sqrt {c}+x^2} \, dx,x,\sqrt {a+b \sqrt {c+d x}}\right )+2 \operatorname {Subst}\left (\int \frac {1}{-a+b \sqrt {c}+x^2} \, dx,x,\sqrt {a+b \sqrt {c+d x}}\right )\\ &=-\frac {2 \tanh ^{-1}\left (\frac {\sqrt {a+b \sqrt {c+d x}}}{\sqrt {a-b \sqrt {c}}}\right )}{\sqrt {a-b \sqrt {c}}}-\frac {2 \tanh ^{-1}\left (\frac {\sqrt {a+b \sqrt {c+d x}}}{\sqrt {a+b \sqrt {c}}}\right )}{\sqrt {a+b \sqrt {c}}}\\ \end {align*}
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Mathematica [A] time = 0.10, size = 97, normalized size = 1.00 \[ -\frac {2 \tanh ^{-1}\left (\frac {\sqrt {a+b \sqrt {c+d x}}}{\sqrt {a-b \sqrt {c}}}\right )}{\sqrt {a-b \sqrt {c}}}-\frac {2 \tanh ^{-1}\left (\frac {\sqrt {a+b \sqrt {c+d x}}}{\sqrt {a+b \sqrt {c}}}\right )}{\sqrt {a+b \sqrt {c}}} \]
Antiderivative was successfully verified.
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fricas [B] time = 0.56, size = 743, normalized size = 7.66 \[ \sqrt {-\frac {{\left (b^{2} c - a^{2}\right )} \sqrt {\frac {b^{2} c}{b^{4} c^{2} - 2 \, a^{2} b^{2} c + a^{4}}} + a}{b^{2} c - a^{2}}} \log \left (4 \, {\left ({\left (b^{2} c - a^{2}\right )} \sqrt {\frac {b^{2} c}{b^{4} c^{2} - 2 \, a^{2} b^{2} c + a^{4}}} - a\right )} \sqrt {-\frac {{\left (b^{2} c - a^{2}\right )} \sqrt {\frac {b^{2} c}{b^{4} c^{2} - 2 \, a^{2} b^{2} c + a^{4}}} + a}{b^{2} c - a^{2}}} + 4 \, \sqrt {\sqrt {d x + c} b + a}\right ) - \sqrt {-\frac {{\left (b^{2} c - a^{2}\right )} \sqrt {\frac {b^{2} c}{b^{4} c^{2} - 2 \, a^{2} b^{2} c + a^{4}}} + a}{b^{2} c - a^{2}}} \log \left (-4 \, {\left ({\left (b^{2} c - a^{2}\right )} \sqrt {\frac {b^{2} c}{b^{4} c^{2} - 2 \, a^{2} b^{2} c + a^{4}}} - a\right )} \sqrt {-\frac {{\left (b^{2} c - a^{2}\right )} \sqrt {\frac {b^{2} c}{b^{4} c^{2} - 2 \, a^{2} b^{2} c + a^{4}}} + a}{b^{2} c - a^{2}}} + 4 \, \sqrt {\sqrt {d x + c} b + a}\right ) - \sqrt {\frac {{\left (b^{2} c - a^{2}\right )} \sqrt {\frac {b^{2} c}{b^{4} c^{2} - 2 \, a^{2} b^{2} c + a^{4}}} - a}{b^{2} c - a^{2}}} \log \left (4 \, {\left ({\left (b^{2} c - a^{2}\right )} \sqrt {\frac {b^{2} c}{b^{4} c^{2} - 2 \, a^{2} b^{2} c + a^{4}}} + a\right )} \sqrt {\frac {{\left (b^{2} c - a^{2}\right )} \sqrt {\frac {b^{2} c}{b^{4} c^{2} - 2 \, a^{2} b^{2} c + a^{4}}} - a}{b^{2} c - a^{2}}} + 4 \, \sqrt {\sqrt {d x + c} b + a}\right ) + \sqrt {\frac {{\left (b^{2} c - a^{2}\right )} \sqrt {\frac {b^{2} c}{b^{4} c^{2} - 2 \, a^{2} b^{2} c + a^{4}}} - a}{b^{2} c - a^{2}}} \log \left (-4 \, {\left ({\left (b^{2} c - a^{2}\right )} \sqrt {\frac {b^{2} c}{b^{4} c^{2} - 2 \, a^{2} b^{2} c + a^{4}}} + a\right )} \sqrt {\frac {{\left (b^{2} c - a^{2}\right )} \sqrt {\frac {b^{2} c}{b^{4} c^{2} - 2 \, a^{2} b^{2} c + a^{4}}} - a}{b^{2} c - a^{2}}} + 4 \, \sqrt {\sqrt {d x + c} b + a}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.50, size = 140, normalized size = 1.44 \[ \frac {2 \, {\left (\frac {{\left (b^{2} \sqrt {c} {\left | b \right |} + a b^{2}\right )} \arctan \left (\frac {\sqrt {\sqrt {d x + c} b + a}}{\sqrt {-a + \sqrt {b^{2} c}}}\right )}{{\left (b \sqrt {c} + a\right )} \sqrt {b \sqrt {c} - a}} + \frac {{\left (b^{2} \sqrt {c} {\left | b \right |} - a b^{2}\right )} \arctan \left (\frac {\sqrt {\sqrt {d x + c} b + a}}{\sqrt {-a - \sqrt {b^{2} c}}}\right )}{{\left (b \sqrt {c} - a\right )} \sqrt {-b \sqrt {c} - a}}\right )}}{b^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.02, size = 92, normalized size = 0.95 \[ \frac {2 \arctan \left (\frac {\sqrt {a +\sqrt {d x +c}\, b}}{\sqrt {-a -\sqrt {b^{2} c}}}\right )}{\sqrt {-a -\sqrt {b^{2} c}}}+\frac {2 \arctan \left (\frac {\sqrt {a +\sqrt {d x +c}\, b}}{\sqrt {-a +\sqrt {b^{2} c}}}\right )}{\sqrt {-a +\sqrt {b^{2} c}}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {1}{\sqrt {\sqrt {d x + c} b + a} x}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {1}{x\,\sqrt {a+b\,\sqrt {c+d\,x}}} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {1}{x \sqrt {a + b \sqrt {c + d x}}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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