Optimal. Leaf size=125 \[ -\frac {\sqrt {\sqrt {a}-\sqrt {b}} \tan ^{-1}\left (\frac {\sqrt {\sqrt {a}-\sqrt {b}} \tan (c+d x)}{\sqrt [4]{a}}\right )}{2 a^{3/4} \sqrt {b} d}+\frac {\sqrt {\sqrt {a}+\sqrt {b}} \tan ^{-1}\left (\frac {\sqrt {\sqrt {a}+\sqrt {b}} \tan (c+d x)}{\sqrt [4]{a}}\right )}{2 a^{3/4} \sqrt {b} d} \]
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Rubi [A]
time = 0.07, antiderivative size = 125, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 3, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {3303, 1107,
211} \begin {gather*} \frac {\sqrt {\sqrt {a}+\sqrt {b}} \text {ArcTan}\left (\frac {\sqrt {\sqrt {a}+\sqrt {b}} \tan (c+d x)}{\sqrt [4]{a}}\right )}{2 a^{3/4} \sqrt {b} d}-\frac {\sqrt {\sqrt {a}-\sqrt {b}} \text {ArcTan}\left (\frac {\sqrt {\sqrt {a}-\sqrt {b}} \tan (c+d x)}{\sqrt [4]{a}}\right )}{2 a^{3/4} \sqrt {b} d} \end {gather*}
Antiderivative was successfully verified.
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Rule 211
Rule 1107
Rule 3303
Rubi steps
\begin {align*} \int \frac {\cos ^2(c+d x)}{a-b \sin ^4(c+d x)} \, dx &=\frac {\text {Subst}\left (\int \frac {1}{a+2 a x^2+(a-b) x^4} \, dx,x,\tan (c+d x)\right )}{d}\\ &=\frac {(a-b) \text {Subst}\left (\int \frac {1}{a-\sqrt {a} \sqrt {b}+(a-b) x^2} \, dx,x,\tan (c+d x)\right )}{2 \sqrt {a} \sqrt {b} d}-\frac {(a-b) \text {Subst}\left (\int \frac {1}{a+\sqrt {a} \sqrt {b}+(a-b) x^2} \, dx,x,\tan (c+d x)\right )}{2 \sqrt {a} \sqrt {b} d}\\ &=-\frac {\sqrt {\sqrt {a}-\sqrt {b}} \tan ^{-1}\left (\frac {\sqrt {\sqrt {a}-\sqrt {b}} \tan (c+d x)}{\sqrt [4]{a}}\right )}{2 a^{3/4} \sqrt {b} d}+\frac {\sqrt {\sqrt {a}+\sqrt {b}} \tan ^{-1}\left (\frac {\sqrt {\sqrt {a}+\sqrt {b}} \tan (c+d x)}{\sqrt [4]{a}}\right )}{2 a^{3/4} \sqrt {b} d}\\ \end {align*}
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Mathematica [A]
time = 0.20, size = 158, normalized size = 1.26 \begin {gather*} \frac {\frac {\left (\sqrt {a} \sqrt {b}+b\right ) \tan ^{-1}\left (\frac {\left (\sqrt {a}+\sqrt {b}\right ) \tan (c+d x)}{\sqrt {a+\sqrt {a} \sqrt {b}}}\right )}{\sqrt {a+\sqrt {a} \sqrt {b}}}+\frac {\left (\sqrt {a} \sqrt {b}-b\right ) \tanh ^{-1}\left (\frac {\left (\sqrt {a}-\sqrt {b}\right ) \tan (c+d x)}{\sqrt {-a+\sqrt {a} \sqrt {b}}}\right )}{\sqrt {-a+\sqrt {a} \sqrt {b}}}}{2 \sqrt {a} b d} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.56, size = 115, normalized size = 0.92
method | result | size |
risch | \(\munderset {\textit {\_R} =\RootOf \left (256 a^{3} b^{2} d^{4} \textit {\_Z}^{4}+32 a^{2} b \,d^{2} \textit {\_Z}^{2}+a -b \right )}{\sum }\textit {\_R} \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}+32 a^{2} d^{2} \textit {\_R}^{2}+8 i a d \textit {\_R} +\frac {2 a}{b}-1\right )\) | \(73\) |
derivativedivides | \(\frac {\left (a -b \right ) \left (-\frac {\arctan \left (\frac {\left (a -b \right ) \tan \left (d x +c \right )}{\sqrt {\left (\sqrt {a b}+a \right ) \left (a -b \right )}}\right )}{2 \sqrt {a b}\, \sqrt {\left (\sqrt {a b}+a \right ) \left (a -b \right )}}+\frac {\arctanh \left (\frac {\left (-a +b \right ) \tan \left (d x +c \right )}{\sqrt {\left (\sqrt {a b}-a \right ) \left (a -b \right )}}\right )}{2 \sqrt {a b}\, \sqrt {\left (\sqrt {a b}-a \right ) \left (a -b \right )}}\right )}{d}\) | \(115\) |
default | \(\frac {\left (a -b \right ) \left (-\frac {\arctan \left (\frac {\left (a -b \right ) \tan \left (d x +c \right )}{\sqrt {\left (\sqrt {a b}+a \right ) \left (a -b \right )}}\right )}{2 \sqrt {a b}\, \sqrt {\left (\sqrt {a b}+a \right ) \left (a -b \right )}}+\frac {\arctanh \left (\frac {\left (-a +b \right ) \tan \left (d x +c \right )}{\sqrt {\left (\sqrt {a b}-a \right ) \left (a -b \right )}}\right )}{2 \sqrt {a b}\, \sqrt {\left (\sqrt {a b}-a \right ) \left (a -b \right )}}\right )}{d}\) | \(115\) |
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 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 541 vs.
\(2 (85) = 170\).
time = 0.50, size = 541, normalized size = 4.33 \begin {gather*} -\frac {1}{8} \, \sqrt {-\frac {a b d^{2} \sqrt {\frac {1}{a^{3} b d^{4}}} + 1}{a b d^{2}}} \log \left (\frac {1}{2} \, a d \sqrt {-\frac {a b d^{2} \sqrt {\frac {1}{a^{3} b d^{4}}} + 1}{a b d^{2}}} \cos \left (d x + c\right ) \sin \left (d x + c\right ) + \frac {1}{4} \, \cos \left (d x + c\right )^{2} + \frac {1}{4} \, {\left (2 \, a^{2} d^{2} \cos \left (d x + c\right )^{2} - a^{2} d^{2}\right )} \sqrt {\frac {1}{a^{3} b d^{4}}} - \frac {1}{4}\right ) + \frac {1}{8} \, \sqrt {-\frac {a b d^{2} \sqrt {\frac {1}{a^{3} b d^{4}}} + 1}{a b d^{2}}} \log \left (-\frac {1}{2} \, a d \sqrt {-\frac {a b d^{2} \sqrt {\frac {1}{a^{3} b d^{4}}} + 1}{a b d^{2}}} \cos \left (d x + c\right ) \sin \left (d x + c\right ) + \frac {1}{4} \, \cos \left (d x + c\right )^{2} + \frac {1}{4} \, {\left (2 \, a^{2} d^{2} \cos \left (d x + c\right )^{2} - a^{2} d^{2}\right )} \sqrt {\frac {1}{a^{3} b d^{4}}} - \frac {1}{4}\right ) + \frac {1}{8} \, \sqrt {\frac {a b d^{2} \sqrt {\frac {1}{a^{3} b d^{4}}} - 1}{a b d^{2}}} \log \left (\frac {1}{2} \, a d \sqrt {\frac {a b d^{2} \sqrt {\frac {1}{a^{3} b d^{4}}} - 1}{a b d^{2}}} \cos \left (d x + c\right ) \sin \left (d x + c\right ) - \frac {1}{4} \, \cos \left (d x + c\right )^{2} + \frac {1}{4} \, {\left (2 \, a^{2} d^{2} \cos \left (d x + c\right )^{2} - a^{2} d^{2}\right )} \sqrt {\frac {1}{a^{3} b d^{4}}} + \frac {1}{4}\right ) - \frac {1}{8} \, \sqrt {\frac {a b d^{2} \sqrt {\frac {1}{a^{3} b d^{4}}} - 1}{a b d^{2}}} \log \left (-\frac {1}{2} \, a d \sqrt {\frac {a b d^{2} \sqrt {\frac {1}{a^{3} b d^{4}}} - 1}{a b d^{2}}} \cos \left (d x + c\right ) \sin \left (d x + c\right ) - \frac {1}{4} \, \cos \left (d x + c\right )^{2} + \frac {1}{4} \, {\left (2 \, a^{2} d^{2} \cos \left (d x + c\right )^{2} - a^{2} d^{2}\right )} \sqrt {\frac {1}{a^{3} b d^{4}}} + \frac {1}{4}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] Timed out
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 558 vs.
\(2 (85) = 170\).
time = 0.83, size = 558, normalized size = 4.46 \begin {gather*} \frac {\frac {{\left (3 \, \sqrt {a^{2} - a b + \sqrt {a b} {\left (a - b\right )}} a^{2} b - 6 \, \sqrt {a^{2} - a b + \sqrt {a b} {\left (a - b\right )}} a b^{2} - \sqrt {a^{2} - a b + \sqrt {a b} {\left (a - b\right )}} b^{3} - 3 \, \sqrt {a^{2} - a b + \sqrt {a b} {\left (a - b\right )}} \sqrt {a b} a^{2} + 6 \, \sqrt {a^{2} - a b + \sqrt {a b} {\left (a - b\right )}} \sqrt {a b} a b + \sqrt {a^{2} - a b + \sqrt {a b} {\left (a - b\right )}} \sqrt {a b} b^{2}\right )} {\left (\pi \left \lfloor \frac {d x + c}{\pi } + \frac {1}{2} \right \rfloor + \arctan \left (\frac {2 \, \tan \left (d x + c\right )}{\sqrt {\frac {4 \, a + \sqrt {-16 \, {\left (a - b\right )} a + 16 \, a^{2}}}{a - b}}}\right )\right )} {\left | a - b \right |}}{3 \, a^{5} b - 12 \, a^{4} b^{2} + 14 \, a^{3} b^{3} - 4 \, a^{2} b^{4} - a b^{5}} + \frac {{\left (3 \, \sqrt {a^{2} - a b - \sqrt {a b} {\left (a - b\right )}} a^{2} b - 6 \, \sqrt {a^{2} - a b - \sqrt {a b} {\left (a - b\right )}} a b^{2} - \sqrt {a^{2} - a b - \sqrt {a b} {\left (a - b\right )}} b^{3} - 3 \, \sqrt {a^{2} - a b - \sqrt {a b} {\left (a - b\right )}} \sqrt {a b} a^{2} + 6 \, \sqrt {a^{2} - a b - \sqrt {a b} {\left (a - b\right )}} \sqrt {a b} a b + \sqrt {a^{2} - a b - \sqrt {a b} {\left (a - b\right )}} \sqrt {a b} b^{2}\right )} {\left (\pi \left \lfloor \frac {d x + c}{\pi } + \frac {1}{2} \right \rfloor + \arctan \left (\frac {2 \, \tan \left (d x + c\right )}{\sqrt {\frac {4 \, a - \sqrt {-16 \, {\left (a - b\right )} a + 16 \, a^{2}}}{a - b}}}\right )\right )} {\left | a - b \right |}}{3 \, a^{5} b - 12 \, a^{4} b^{2} + 14 \, a^{3} b^{3} - 4 \, a^{2} b^{4} - a b^{5}}}{2 \, d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 15.66, size = 1409, normalized size = 11.27 \begin {gather*} \frac {\mathrm {atan}\left (\frac {\left (\mathrm {tan}\left (c+d\,x\right )\,\left (4\,a^3-12\,a^2\,b+12\,a\,b^2-4\,b^3\right )+\sqrt {-\frac {\sqrt {a^3\,b^3}+a^2\,b}{16\,a^3\,b^2}}\,\left (16\,a\,b^3+16\,a^3\,b-32\,a^2\,b^2+\mathrm {tan}\left (c+d\,x\right )\,\left (64\,a^4\,b-128\,a^3\,b^2+64\,a^2\,b^3\right )\,\sqrt {-\frac {\sqrt {a^3\,b^3}+a^2\,b}{16\,a^3\,b^2}}\right )\right )\,\sqrt {-\frac {\sqrt {a^3\,b^3}+a^2\,b}{16\,a^3\,b^2}}\,1{}\mathrm {i}+\left (\mathrm {tan}\left (c+d\,x\right )\,\left (4\,a^3-12\,a^2\,b+12\,a\,b^2-4\,b^3\right )-\sqrt {-\frac {\sqrt {a^3\,b^3}+a^2\,b}{16\,a^3\,b^2}}\,\left (16\,a\,b^3+16\,a^3\,b-32\,a^2\,b^2-\mathrm {tan}\left (c+d\,x\right )\,\left (64\,a^4\,b-128\,a^3\,b^2+64\,a^2\,b^3\right )\,\sqrt {-\frac {\sqrt {a^3\,b^3}+a^2\,b}{16\,a^3\,b^2}}\right )\right )\,\sqrt {-\frac {\sqrt {a^3\,b^3}+a^2\,b}{16\,a^3\,b^2}}\,1{}\mathrm {i}}{\left (\mathrm {tan}\left (c+d\,x\right )\,\left (4\,a^3-12\,a^2\,b+12\,a\,b^2-4\,b^3\right )+\sqrt {-\frac {\sqrt {a^3\,b^3}+a^2\,b}{16\,a^3\,b^2}}\,\left (16\,a\,b^3+16\,a^3\,b-32\,a^2\,b^2+\mathrm {tan}\left (c+d\,x\right )\,\left (64\,a^4\,b-128\,a^3\,b^2+64\,a^2\,b^3\right )\,\sqrt {-\frac {\sqrt {a^3\,b^3}+a^2\,b}{16\,a^3\,b^2}}\right )\right )\,\sqrt {-\frac {\sqrt {a^3\,b^3}+a^2\,b}{16\,a^3\,b^2}}-\left (\mathrm {tan}\left (c+d\,x\right )\,\left (4\,a^3-12\,a^2\,b+12\,a\,b^2-4\,b^3\right )-\sqrt {-\frac {\sqrt {a^3\,b^3}+a^2\,b}{16\,a^3\,b^2}}\,\left (16\,a\,b^3+16\,a^3\,b-32\,a^2\,b^2-\mathrm {tan}\left (c+d\,x\right )\,\left (64\,a^4\,b-128\,a^3\,b^2+64\,a^2\,b^3\right )\,\sqrt {-\frac {\sqrt {a^3\,b^3}+a^2\,b}{16\,a^3\,b^2}}\right )\right )\,\sqrt {-\frac {\sqrt {a^3\,b^3}+a^2\,b}{16\,a^3\,b^2}}}\right )\,\sqrt {-\frac {\sqrt {a^3\,b^3}+a^2\,b}{16\,a^3\,b^2}}\,2{}\mathrm {i}}{d}+\frac {\mathrm {atan}\left (\frac {\left (\mathrm {tan}\left (c+d\,x\right )\,\left (4\,a^3-12\,a^2\,b+12\,a\,b^2-4\,b^3\right )+\sqrt {\frac {\sqrt {a^3\,b^3}-a^2\,b}{16\,a^3\,b^2}}\,\left (16\,a\,b^3+16\,a^3\,b-32\,a^2\,b^2+\mathrm {tan}\left (c+d\,x\right )\,\left (64\,a^4\,b-128\,a^3\,b^2+64\,a^2\,b^3\right )\,\sqrt {\frac {\sqrt {a^3\,b^3}-a^2\,b}{16\,a^3\,b^2}}\right )\right )\,\sqrt {\frac {\sqrt {a^3\,b^3}-a^2\,b}{16\,a^3\,b^2}}\,1{}\mathrm {i}+\left (\mathrm {tan}\left (c+d\,x\right )\,\left (4\,a^3-12\,a^2\,b+12\,a\,b^2-4\,b^3\right )-\sqrt {\frac {\sqrt {a^3\,b^3}-a^2\,b}{16\,a^3\,b^2}}\,\left (16\,a\,b^3+16\,a^3\,b-32\,a^2\,b^2-\mathrm {tan}\left (c+d\,x\right )\,\left (64\,a^4\,b-128\,a^3\,b^2+64\,a^2\,b^3\right )\,\sqrt {\frac {\sqrt {a^3\,b^3}-a^2\,b}{16\,a^3\,b^2}}\right )\right )\,\sqrt {\frac {\sqrt {a^3\,b^3}-a^2\,b}{16\,a^3\,b^2}}\,1{}\mathrm {i}}{\left (\mathrm {tan}\left (c+d\,x\right )\,\left (4\,a^3-12\,a^2\,b+12\,a\,b^2-4\,b^3\right )+\sqrt {\frac {\sqrt {a^3\,b^3}-a^2\,b}{16\,a^3\,b^2}}\,\left (16\,a\,b^3+16\,a^3\,b-32\,a^2\,b^2+\mathrm {tan}\left (c+d\,x\right )\,\left (64\,a^4\,b-128\,a^3\,b^2+64\,a^2\,b^3\right )\,\sqrt {\frac {\sqrt {a^3\,b^3}-a^2\,b}{16\,a^3\,b^2}}\right )\right )\,\sqrt {\frac {\sqrt {a^3\,b^3}-a^2\,b}{16\,a^3\,b^2}}-\left (\mathrm {tan}\left (c+d\,x\right )\,\left (4\,a^3-12\,a^2\,b+12\,a\,b^2-4\,b^3\right )-\sqrt {\frac {\sqrt {a^3\,b^3}-a^2\,b}{16\,a^3\,b^2}}\,\left (16\,a\,b^3+16\,a^3\,b-32\,a^2\,b^2-\mathrm {tan}\left (c+d\,x\right )\,\left (64\,a^4\,b-128\,a^3\,b^2+64\,a^2\,b^3\right )\,\sqrt {\frac {\sqrt {a^3\,b^3}-a^2\,b}{16\,a^3\,b^2}}\right )\right )\,\sqrt {\frac {\sqrt {a^3\,b^3}-a^2\,b}{16\,a^3\,b^2}}}\right )\,\sqrt {\frac {\sqrt {a^3\,b^3}-a^2\,b}{16\,a^3\,b^2}}\,2{}\mathrm {i}}{d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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