Integrand size = 19, antiderivative size = 271 \[ \int \frac {\sin (a+b x)}{c+d x+e x^2} \, dx=\frac {\operatorname {CosIntegral}\left (\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}+b x\right ) \sin \left (a-\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}\right )}{\sqrt {d^2-4 c e}}-\frac {\operatorname {CosIntegral}\left (\frac {b \left (d+\sqrt {d^2-4 c e}\right )}{2 e}+b x\right ) \sin \left (a-\frac {b \left (d+\sqrt {d^2-4 c e}\right )}{2 e}\right )}{\sqrt {d^2-4 c e}}+\frac {\cos \left (a-\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}\right ) \text {Si}\left (\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}+b x\right )}{\sqrt {d^2-4 c e}}-\frac {\cos \left (a-\frac {b \left (d+\sqrt {d^2-4 c e}\right )}{2 e}\right ) \text {Si}\left (\frac {b \left (d+\sqrt {d^2-4 c e}\right )}{2 e}+b x\right )}{\sqrt {d^2-4 c e}} \]
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Time = 0.83 (sec) , antiderivative size = 271, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.211, Rules used = {6860, 3384, 3380, 3383} \[ \int \frac {\sin (a+b x)}{c+d x+e x^2} \, dx=\frac {\sin \left (a-\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}\right ) \operatorname {CosIntegral}\left (\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}+b x\right )}{\sqrt {d^2-4 c e}}-\frac {\sin \left (a-\frac {b \left (\sqrt {d^2-4 c e}+d\right )}{2 e}\right ) \operatorname {CosIntegral}\left (\frac {b \left (d+\sqrt {d^2-4 c e}\right )}{2 e}+b x\right )}{\sqrt {d^2-4 c e}}+\frac {\cos \left (a-\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}\right ) \text {Si}\left (\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}+b x\right )}{\sqrt {d^2-4 c e}}-\frac {\cos \left (a-\frac {b \left (\sqrt {d^2-4 c e}+d\right )}{2 e}\right ) \text {Si}\left (\frac {b \left (d+\sqrt {d^2-4 c e}\right )}{2 e}+b x\right )}{\sqrt {d^2-4 c e}} \]
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Rule 3380
Rule 3383
Rule 3384
Rule 6860
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {2 e \sin (a+b x)}{\sqrt {d^2-4 c e} \left (d-\sqrt {d^2-4 c e}+2 e x\right )}-\frac {2 e \sin (a+b x)}{\sqrt {d^2-4 c e} \left (d+\sqrt {d^2-4 c e}+2 e x\right )}\right ) \, dx \\ & = \frac {(2 e) \int \frac {\sin (a+b x)}{d-\sqrt {d^2-4 c e}+2 e x} \, dx}{\sqrt {d^2-4 c e}}-\frac {(2 e) \int \frac {\sin (a+b x)}{d+\sqrt {d^2-4 c e}+2 e x} \, dx}{\sqrt {d^2-4 c e}} \\ & = \frac {\left (2 e \cos \left (a-\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}\right )\right ) \int \frac {\sin \left (\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}+b x\right )}{d-\sqrt {d^2-4 c e}+2 e x} \, dx}{\sqrt {d^2-4 c e}}-\frac {\left (2 e \cos \left (a-\frac {b \left (d+\sqrt {d^2-4 c e}\right )}{2 e}\right )\right ) \int \frac {\sin \left (\frac {b \left (d+\sqrt {d^2-4 c e}\right )}{2 e}+b x\right )}{d+\sqrt {d^2-4 c e}+2 e x} \, dx}{\sqrt {d^2-4 c e}}+\frac {\left (2 e \sin \left (a-\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}\right )\right ) \int \frac {\cos \left (\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}+b x\right )}{d-\sqrt {d^2-4 c e}+2 e x} \, dx}{\sqrt {d^2-4 c e}}-\frac {\left (2 e \sin \left (a-\frac {b \left (d+\sqrt {d^2-4 c e}\right )}{2 e}\right )\right ) \int \frac {\cos \left (\frac {b \left (d+\sqrt {d^2-4 c e}\right )}{2 e}+b x\right )}{d+\sqrt {d^2-4 c e}+2 e x} \, dx}{\sqrt {d^2-4 c e}} \\ & = \frac {\operatorname {CosIntegral}\left (\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}+b x\right ) \sin \left (a-\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}\right )}{\sqrt {d^2-4 c e}}-\frac {\operatorname {CosIntegral}\left (\frac {b \left (d+\sqrt {d^2-4 c e}\right )}{2 e}+b x\right ) \sin \left (a-\frac {b \left (d+\sqrt {d^2-4 c e}\right )}{2 e}\right )}{\sqrt {d^2-4 c e}}+\frac {\cos \left (a-\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}\right ) \text {Si}\left (\frac {b \left (d-\sqrt {d^2-4 c e}\right )}{2 e}+b x\right )}{\sqrt {d^2-4 c e}}-\frac {\cos \left (a-\frac {b \left (d+\sqrt {d^2-4 c e}\right )}{2 e}\right ) \text {Si}\left (\frac {b \left (d+\sqrt {d^2-4 c e}\right )}{2 e}+b x\right )}{\sqrt {d^2-4 c e}} \\ \end{align*}
Result contains complex when optimal does not.
Time = 1.65 (sec) , antiderivative size = 245, normalized size of antiderivative = 0.90 \[ \int \frac {\sin (a+b x)}{c+d x+e x^2} \, dx=\frac {i e^{-\frac {1}{2} i \left (2 a+\frac {b \left (d+\sqrt {d^2-4 c e}\right )}{e}\right )} \left (e^{\frac {i b d}{e}} \operatorname {ExpIntegralEi}\left (-\frac {i b \left (d-\sqrt {d^2-4 c e}+2 e x\right )}{2 e}\right )-e^{i \left (2 a+\frac {b \sqrt {d^2-4 c e}}{e}\right )} \operatorname {ExpIntegralEi}\left (\frac {i b \left (d-\sqrt {d^2-4 c e}+2 e x\right )}{2 e}\right )-e^{\frac {i b \left (d+\sqrt {d^2-4 c e}\right )}{e}} \operatorname {ExpIntegralEi}\left (-\frac {i b \left (d+\sqrt {d^2-4 c e}+2 e x\right )}{2 e}\right )+e^{2 i a} \operatorname {ExpIntegralEi}\left (\frac {i b \left (d+\sqrt {d^2-4 c e}+2 e x\right )}{2 e}\right )\right )}{2 \sqrt {d^2-4 c e}} \]
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Time = 1.67 (sec) , antiderivative size = 328, normalized size of antiderivative = 1.21
method | result | size |
derivativedivides | \(b \left (\frac {-\operatorname {Si}\left (-x b -a +\frac {2 a e -b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right ) \cos \left (\frac {2 a e -b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right )+\operatorname {Ci}\left (x b +a -\frac {2 a e -b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right ) \sin \left (\frac {2 a e -b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right )}{\sqrt {-4 b^{2} c e +b^{2} d^{2}}}-\frac {-\operatorname {Si}\left (-x b -a -\frac {-2 a e +b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right ) \cos \left (\frac {-2 a e +b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right )-\operatorname {Ci}\left (x b +a +\frac {-2 a e +b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right ) \sin \left (\frac {-2 a e +b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right )}{\sqrt {-4 b^{2} c e +b^{2} d^{2}}}\right )\) | \(328\) |
default | \(b \left (\frac {-\operatorname {Si}\left (-x b -a +\frac {2 a e -b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right ) \cos \left (\frac {2 a e -b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right )+\operatorname {Ci}\left (x b +a -\frac {2 a e -b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right ) \sin \left (\frac {2 a e -b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right )}{\sqrt {-4 b^{2} c e +b^{2} d^{2}}}-\frac {-\operatorname {Si}\left (-x b -a -\frac {-2 a e +b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right ) \cos \left (\frac {-2 a e +b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right )-\operatorname {Ci}\left (x b +a +\frac {-2 a e +b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right ) \sin \left (\frac {-2 a e +b d +\sqrt {-4 b^{2} c e +b^{2} d^{2}}}{2 e}\right )}{\sqrt {-4 b^{2} c e +b^{2} d^{2}}}\right )\) | \(328\) |
risch | \(\frac {\sqrt {4 b^{2} c e -b^{2} d^{2}}\, \operatorname {Ei}_{1}\left (\frac {2 i a e -i b d -2 e \left (i b x +i a \right )-\sqrt {4 b^{2} c e -b^{2} d^{2}}}{2 e}\right ) {\mathrm e}^{\frac {2 i a e -i b d -\sqrt {4 b^{2} c e -b^{2} d^{2}}}{2 e}}}{2 b \left (4 c e -d^{2}\right )}-\frac {\sqrt {4 b^{2} c e -b^{2} d^{2}}\, \operatorname {Ei}_{1}\left (\frac {2 i a e -i b d -2 e \left (i b x +i a \right )+\sqrt {4 b^{2} c e -b^{2} d^{2}}}{2 e}\right ) {\mathrm e}^{\frac {2 i a e -i b d +\sqrt {4 b^{2} c e -b^{2} d^{2}}}{2 e}}}{2 b \left (4 c e -d^{2}\right )}+\frac {\sqrt {4 b^{2} c e -b^{2} d^{2}}\, \operatorname {Ei}_{1}\left (-\frac {2 i a e -i b d -2 e \left (i b x +i a \right )+\sqrt {4 b^{2} c e -b^{2} d^{2}}}{2 e}\right ) {\mathrm e}^{-\frac {2 i a e -i b d +\sqrt {4 b^{2} c e -b^{2} d^{2}}}{2 e}}}{2 b \left (4 c e -d^{2}\right )}-\frac {\sqrt {4 b^{2} c e -b^{2} d^{2}}\, \operatorname {Ei}_{1}\left (-\frac {2 i a e -i b d -2 e \left (i b x +i a \right )-\sqrt {4 b^{2} c e -b^{2} d^{2}}}{2 e}\right ) {\mathrm e}^{-\frac {2 i a e -i b d -\sqrt {4 b^{2} c e -b^{2} d^{2}}}{2 e}}}{2 b \left (4 c e -d^{2}\right )}\) | \(486\) |
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Result contains complex when optimal does not.
Time = 0.26 (sec) , antiderivative size = 434, normalized size of antiderivative = 1.60 \[ \int \frac {\sin (a+b x)}{c+d x+e x^2} \, dx=-\frac {e \sqrt {-\frac {b^{2} d^{2} - 4 \, b^{2} c e}{e^{2}}} {\rm Ei}\left (\frac {-2 i \, b e x - i \, b d - e \sqrt {-\frac {b^{2} d^{2} - 4 \, b^{2} c e}{e^{2}}}}{2 \, e}\right ) e^{\left (\frac {i \, b d - 2 i \, a e + e \sqrt {-\frac {b^{2} d^{2} - 4 \, b^{2} c e}{e^{2}}}}{2 \, e}\right )} - e \sqrt {-\frac {b^{2} d^{2} - 4 \, b^{2} c e}{e^{2}}} {\rm Ei}\left (\frac {-2 i \, b e x - i \, b d + e \sqrt {-\frac {b^{2} d^{2} - 4 \, b^{2} c e}{e^{2}}}}{2 \, e}\right ) e^{\left (\frac {i \, b d - 2 i \, a e - e \sqrt {-\frac {b^{2} d^{2} - 4 \, b^{2} c e}{e^{2}}}}{2 \, e}\right )} + e \sqrt {-\frac {b^{2} d^{2} - 4 \, b^{2} c e}{e^{2}}} {\rm Ei}\left (\frac {2 i \, b e x + i \, b d - e \sqrt {-\frac {b^{2} d^{2} - 4 \, b^{2} c e}{e^{2}}}}{2 \, e}\right ) e^{\left (\frac {-i \, b d + 2 i \, a e + e \sqrt {-\frac {b^{2} d^{2} - 4 \, b^{2} c e}{e^{2}}}}{2 \, e}\right )} - e \sqrt {-\frac {b^{2} d^{2} - 4 \, b^{2} c e}{e^{2}}} {\rm Ei}\left (\frac {2 i \, b e x + i \, b d + e \sqrt {-\frac {b^{2} d^{2} - 4 \, b^{2} c e}{e^{2}}}}{2 \, e}\right ) e^{\left (\frac {-i \, b d + 2 i \, a e - e \sqrt {-\frac {b^{2} d^{2} - 4 \, b^{2} c e}{e^{2}}}}{2 \, e}\right )}}{2 \, {\left (b d^{2} - 4 \, b c e\right )}} \]
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\[ \int \frac {\sin (a+b x)}{c+d x+e x^2} \, dx=\int \frac {\sin {\left (a + b x \right )}}{c + d x + e x^{2}}\, dx \]
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\[ \int \frac {\sin (a+b x)}{c+d x+e x^2} \, dx=\int { \frac {\sin \left (b x + a\right )}{e x^{2} + d x + c} \,d x } \]
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\[ \int \frac {\sin (a+b x)}{c+d x+e x^2} \, dx=\int { \frac {\sin \left (b x + a\right )}{e x^{2} + d x + c} \,d x } \]
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Timed out. \[ \int \frac {\sin (a+b x)}{c+d x+e x^2} \, dx=\int \frac {\sin \left (a+b\,x\right )}{e\,x^2+d\,x+c} \,d x \]
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