Integrand size = 19, antiderivative size = 450 \[ \int \frac {x^4 \sin (c+d x)}{\left (a+b x^2\right )^2} \, dx=-\frac {\cos (c+d x)}{b^2 d}-\frac {a d \cos \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \operatorname {CosIntegral}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{4 b^3}-\frac {a d \cos \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \operatorname {CosIntegral}\left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right )}{4 b^3}-\frac {3 \sqrt {-a} \operatorname {CosIntegral}\left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right ) \sin \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right )}{4 b^{5/2}}+\frac {3 \sqrt {-a} \operatorname {CosIntegral}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right ) \sin \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right )}{4 b^{5/2}}+\frac {x \sin (c+d x)}{2 b^2}-\frac {x^3 \sin (c+d x)}{2 b \left (a+b x^2\right )}-\frac {3 \sqrt {-a} \cos \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {Si}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{4 b^{5/2}}-\frac {a d \sin \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {Si}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{4 b^3}-\frac {3 \sqrt {-a} \cos \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {Si}\left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right )}{4 b^{5/2}}+\frac {a d \sin \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {Si}\left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right )}{4 b^3} \]
[Out]
Time = 0.55 (sec) , antiderivative size = 450, normalized size of antiderivative = 1.00, number of steps used = 24, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.474, Rules used = {3424, 3426, 2718, 3414, 3384, 3380, 3383, 3427, 3377} \[ \int \frac {x^4 \sin (c+d x)}{\left (a+b x^2\right )^2} \, dx=-\frac {3 \sqrt {-a} \sin \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \operatorname {CosIntegral}\left (x d+\frac {\sqrt {-a} d}{\sqrt {b}}\right )}{4 b^{5/2}}+\frac {3 \sqrt {-a} \sin \left (\frac {\sqrt {-a} d}{\sqrt {b}}+c\right ) \operatorname {CosIntegral}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{4 b^{5/2}}-\frac {3 \sqrt {-a} \cos \left (\frac {\sqrt {-a} d}{\sqrt {b}}+c\right ) \text {Si}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{4 b^{5/2}}-\frac {3 \sqrt {-a} \cos \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {Si}\left (x d+\frac {\sqrt {-a} d}{\sqrt {b}}\right )}{4 b^{5/2}}-\frac {a d \cos \left (\frac {\sqrt {-a} d}{\sqrt {b}}+c\right ) \operatorname {CosIntegral}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{4 b^3}-\frac {a d \cos \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \operatorname {CosIntegral}\left (x d+\frac {\sqrt {-a} d}{\sqrt {b}}\right )}{4 b^3}-\frac {a d \sin \left (\frac {\sqrt {-a} d}{\sqrt {b}}+c\right ) \text {Si}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{4 b^3}+\frac {a d \sin \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {Si}\left (x d+\frac {\sqrt {-a} d}{\sqrt {b}}\right )}{4 b^3}-\frac {x^3 \sin (c+d x)}{2 b \left (a+b x^2\right )}+\frac {x \sin (c+d x)}{2 b^2}-\frac {\cos (c+d x)}{b^2 d} \]
[In]
[Out]
Rule 2718
Rule 3377
Rule 3380
Rule 3383
Rule 3384
Rule 3414
Rule 3424
Rule 3426
Rule 3427
Rubi steps \begin{align*} \text {integral}& = -\frac {x^3 \sin (c+d x)}{2 b \left (a+b x^2\right )}+\frac {3 \int \frac {x^2 \sin (c+d x)}{a+b x^2} \, dx}{2 b}+\frac {d \int \frac {x^3 \cos (c+d x)}{a+b x^2} \, dx}{2 b} \\ & = -\frac {x^3 \sin (c+d x)}{2 b \left (a+b x^2\right )}+\frac {3 \int \left (\frac {\sin (c+d x)}{b}-\frac {a \sin (c+d x)}{b \left (a+b x^2\right )}\right ) \, dx}{2 b}+\frac {d \int \left (\frac {x \cos (c+d x)}{b}-\frac {a x \cos (c+d x)}{b \left (a+b x^2\right )}\right ) \, dx}{2 b} \\ & = -\frac {x^3 \sin (c+d x)}{2 b \left (a+b x^2\right )}+\frac {3 \int \sin (c+d x) \, dx}{2 b^2}-\frac {(3 a) \int \frac {\sin (c+d x)}{a+b x^2} \, dx}{2 b^2}+\frac {d \int x \cos (c+d x) \, dx}{2 b^2}-\frac {(a d) \int \frac {x \cos (c+d x)}{a+b x^2} \, dx}{2 b^2} \\ & = -\frac {3 \cos (c+d x)}{2 b^2 d}+\frac {x \sin (c+d x)}{2 b^2}-\frac {x^3 \sin (c+d x)}{2 b \left (a+b x^2\right )}-\frac {\int \sin (c+d x) \, dx}{2 b^2}-\frac {(3 a) \int \left (\frac {\sqrt {-a} \sin (c+d x)}{2 a \left (\sqrt {-a}-\sqrt {b} x\right )}+\frac {\sqrt {-a} \sin (c+d x)}{2 a \left (\sqrt {-a}+\sqrt {b} x\right )}\right ) \, dx}{2 b^2}-\frac {(a d) \int \left (-\frac {\cos (c+d x)}{2 \sqrt {b} \left (\sqrt {-a}-\sqrt {b} x\right )}+\frac {\cos (c+d x)}{2 \sqrt {b} \left (\sqrt {-a}+\sqrt {b} x\right )}\right ) \, dx}{2 b^2} \\ & = -\frac {\cos (c+d x)}{b^2 d}+\frac {x \sin (c+d x)}{2 b^2}-\frac {x^3 \sin (c+d x)}{2 b \left (a+b x^2\right )}-\frac {\left (3 \sqrt {-a}\right ) \int \frac {\sin (c+d x)}{\sqrt {-a}-\sqrt {b} x} \, dx}{4 b^2}-\frac {\left (3 \sqrt {-a}\right ) \int \frac {\sin (c+d x)}{\sqrt {-a}+\sqrt {b} x} \, dx}{4 b^2}+\frac {(a d) \int \frac {\cos (c+d x)}{\sqrt {-a}-\sqrt {b} x} \, dx}{4 b^{5/2}}-\frac {(a d) \int \frac {\cos (c+d x)}{\sqrt {-a}+\sqrt {b} x} \, dx}{4 b^{5/2}} \\ & = -\frac {\cos (c+d x)}{b^2 d}+\frac {x \sin (c+d x)}{2 b^2}-\frac {x^3 \sin (c+d x)}{2 b \left (a+b x^2\right )}-\frac {\left (3 \sqrt {-a} \cos \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right )\right ) \int \frac {\sin \left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right )}{\sqrt {-a}+\sqrt {b} x} \, dx}{4 b^2}-\frac {\left (a d \cos \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right )\right ) \int \frac {\cos \left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right )}{\sqrt {-a}+\sqrt {b} x} \, dx}{4 b^{5/2}}+\frac {\left (3 \sqrt {-a} \cos \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right )\right ) \int \frac {\sin \left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{\sqrt {-a}-\sqrt {b} x} \, dx}{4 b^2}+\frac {\left (a d \cos \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right )\right ) \int \frac {\cos \left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{\sqrt {-a}-\sqrt {b} x} \, dx}{4 b^{5/2}}-\frac {\left (3 \sqrt {-a} \sin \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right )\right ) \int \frac {\cos \left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right )}{\sqrt {-a}+\sqrt {b} x} \, dx}{4 b^2}+\frac {\left (a d \sin \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right )\right ) \int \frac {\sin \left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right )}{\sqrt {-a}+\sqrt {b} x} \, dx}{4 b^{5/2}}-\frac {\left (3 \sqrt {-a} \sin \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right )\right ) \int \frac {\cos \left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{\sqrt {-a}-\sqrt {b} x} \, dx}{4 b^2}+\frac {\left (a d \sin \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right )\right ) \int \frac {\sin \left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{\sqrt {-a}-\sqrt {b} x} \, dx}{4 b^{5/2}} \\ & = -\frac {\cos (c+d x)}{b^2 d}-\frac {a d \cos \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \operatorname {CosIntegral}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{4 b^3}-\frac {a d \cos \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \operatorname {CosIntegral}\left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right )}{4 b^3}-\frac {3 \sqrt {-a} \operatorname {CosIntegral}\left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right ) \sin \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right )}{4 b^{5/2}}+\frac {3 \sqrt {-a} \operatorname {CosIntegral}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right ) \sin \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right )}{4 b^{5/2}}+\frac {x \sin (c+d x)}{2 b^2}-\frac {x^3 \sin (c+d x)}{2 b \left (a+b x^2\right )}-\frac {3 \sqrt {-a} \cos \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {Si}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{4 b^{5/2}}-\frac {a d \sin \left (c+\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {Si}\left (\frac {\sqrt {-a} d}{\sqrt {b}}-d x\right )}{4 b^3}-\frac {3 \sqrt {-a} \cos \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {Si}\left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right )}{4 b^{5/2}}+\frac {a d \sin \left (c-\frac {\sqrt {-a} d}{\sqrt {b}}\right ) \text {Si}\left (\frac {\sqrt {-a} d}{\sqrt {b}}+d x\right )}{4 b^3} \\ \end{align*}
Result contains complex when optimal does not.
Time = 3.15 (sec) , antiderivative size = 298, normalized size of antiderivative = 0.66 \[ \int \frac {x^4 \sin (c+d x)}{\left (a+b x^2\right )^2} \, dx=-\frac {\sqrt {a} e^{-i c-\frac {\sqrt {a} d}{\sqrt {b}}} \left (\left (3 \sqrt {b}+\sqrt {a} d\right ) e^{\frac {2 \sqrt {a} d}{\sqrt {b}}} \operatorname {ExpIntegralEi}\left (-\frac {\sqrt {a} d}{\sqrt {b}}-i d x\right )+\left (-3 \sqrt {b}+\sqrt {a} d\right ) \operatorname {ExpIntegralEi}\left (\frac {\sqrt {a} d}{\sqrt {b}}-i d x\right )\right )+\sqrt {a} e^{i c-\frac {\sqrt {a} d}{\sqrt {b}}} \left (\left (3 \sqrt {b}+\sqrt {a} d\right ) e^{\frac {2 \sqrt {a} d}{\sqrt {b}}} \operatorname {ExpIntegralEi}\left (-\frac {\sqrt {a} d}{\sqrt {b}}+i d x\right )+\left (-3 \sqrt {b}+\sqrt {a} d\right ) \operatorname {ExpIntegralEi}\left (\frac {\sqrt {a} d}{\sqrt {b}}+i d x\right )\right )-4 b \cos (d x) \left (-\frac {2 \cos (c)}{d}+\frac {a x \sin (c)}{a+b x^2}\right )-4 b \left (\frac {a x \cos (c)}{a+b x^2}+\frac {2 \sin (c)}{d}\right ) \sin (d x)}{8 b^3} \]
[In]
[Out]
Result contains complex when optimal does not.
Time = 0.78 (sec) , antiderivative size = 524, normalized size of antiderivative = 1.16
method | result | size |
risch | \(\frac {{\mathrm e}^{\frac {i c b +d \sqrt {a b}}{b}} \operatorname {Ei}_{1}\left (\frac {i c b +d \sqrt {a b}-b \left (i d x +i c \right )}{b}\right ) a d}{8 b^{3}}+\frac {{\mathrm e}^{\frac {i c b -d \sqrt {a b}}{b}} \operatorname {Ei}_{1}\left (-\frac {-i c b +d \sqrt {a b}+b \left (i d x +i c \right )}{b}\right ) a d}{8 b^{3}}+\frac {3 \sqrt {a b}\, {\mathrm e}^{\frac {i c b +d \sqrt {a b}}{b}} \operatorname {Ei}_{1}\left (\frac {i c b +d \sqrt {a b}-b \left (i d x +i c \right )}{b}\right )}{8 b^{3}}-\frac {3 \sqrt {a b}\, {\mathrm e}^{\frac {i c b -d \sqrt {a b}}{b}} \operatorname {Ei}_{1}\left (-\frac {-i c b +d \sqrt {a b}+b \left (i d x +i c \right )}{b}\right )}{8 b^{3}}+\frac {{\mathrm e}^{-\frac {i c b +d \sqrt {a b}}{b}} \operatorname {Ei}_{1}\left (-\frac {i c b +d \sqrt {a b}-b \left (i d x +i c \right )}{b}\right ) a d}{8 b^{3}}+\frac {{\mathrm e}^{-\frac {i c b -d \sqrt {a b}}{b}} \operatorname {Ei}_{1}\left (\frac {-i c b +d \sqrt {a b}+b \left (i d x +i c \right )}{b}\right ) a d}{8 b^{3}}-\frac {3 \sqrt {a b}\, {\mathrm e}^{-\frac {i c b +d \sqrt {a b}}{b}} \operatorname {Ei}_{1}\left (-\frac {i c b +d \sqrt {a b}-b \left (i d x +i c \right )}{b}\right )}{8 b^{3}}+\frac {3 \sqrt {a b}\, {\mathrm e}^{-\frac {i c b -d \sqrt {a b}}{b}} \operatorname {Ei}_{1}\left (\frac {-i c b +d \sqrt {a b}+b \left (i d x +i c \right )}{b}\right )}{8 b^{3}}-\frac {\cos \left (d x +c \right )}{b^{2} d}+\frac {d^{2} a x \sin \left (d x +c \right )}{2 b^{2} \left (d^{2} x^{2} b +a \,d^{2}\right )}\) | \(524\) |
derivativedivides | \(\text {Expression too large to display}\) | \(3411\) |
default | \(\text {Expression too large to display}\) | \(3411\) |
[In]
[Out]
Result contains complex when optimal does not.
Time = 0.32 (sec) , antiderivative size = 351, normalized size of antiderivative = 0.78 \[ \int \frac {x^4 \sin (c+d x)}{\left (a+b x^2\right )^2} \, dx=\frac {4 \, a b d x \sin \left (d x + c\right ) - {\left (a b d^{2} x^{2} + a^{2} d^{2} + 3 \, {\left (b^{2} x^{2} + a b\right )} \sqrt {\frac {a d^{2}}{b}}\right )} {\rm Ei}\left (i \, d x - \sqrt {\frac {a d^{2}}{b}}\right ) e^{\left (i \, c + \sqrt {\frac {a d^{2}}{b}}\right )} - {\left (a b d^{2} x^{2} + a^{2} d^{2} - 3 \, {\left (b^{2} x^{2} + a b\right )} \sqrt {\frac {a d^{2}}{b}}\right )} {\rm Ei}\left (i \, d x + \sqrt {\frac {a d^{2}}{b}}\right ) e^{\left (i \, c - \sqrt {\frac {a d^{2}}{b}}\right )} - {\left (a b d^{2} x^{2} + a^{2} d^{2} + 3 \, {\left (b^{2} x^{2} + a b\right )} \sqrt {\frac {a d^{2}}{b}}\right )} {\rm Ei}\left (-i \, d x - \sqrt {\frac {a d^{2}}{b}}\right ) e^{\left (-i \, c + \sqrt {\frac {a d^{2}}{b}}\right )} - {\left (a b d^{2} x^{2} + a^{2} d^{2} - 3 \, {\left (b^{2} x^{2} + a b\right )} \sqrt {\frac {a d^{2}}{b}}\right )} {\rm Ei}\left (-i \, d x + \sqrt {\frac {a d^{2}}{b}}\right ) e^{\left (-i \, c - \sqrt {\frac {a d^{2}}{b}}\right )} - 8 \, {\left (b^{2} x^{2} + a b\right )} \cos \left (d x + c\right )}{8 \, {\left (b^{4} d x^{2} + a b^{3} d\right )}} \]
[In]
[Out]
\[ \int \frac {x^4 \sin (c+d x)}{\left (a+b x^2\right )^2} \, dx=\int \frac {x^{4} \sin {\left (c + d x \right )}}{\left (a + b x^{2}\right )^{2}}\, dx \]
[In]
[Out]
\[ \int \frac {x^4 \sin (c+d x)}{\left (a+b x^2\right )^2} \, dx=\int { \frac {x^{4} \sin \left (d x + c\right )}{{\left (b x^{2} + a\right )}^{2}} \,d x } \]
[In]
[Out]
\[ \int \frac {x^4 \sin (c+d x)}{\left (a+b x^2\right )^2} \, dx=\int { \frac {x^{4} \sin \left (d x + c\right )}{{\left (b x^{2} + a\right )}^{2}} \,d x } \]
[In]
[Out]
Timed out. \[ \int \frac {x^4 \sin (c+d x)}{\left (a+b x^2\right )^2} \, dx=\int \frac {x^4\,\sin \left (c+d\,x\right )}{{\left (b\,x^2+a\right )}^2} \,d x \]
[In]
[Out]