Integrand size = 18, antiderivative size = 234 \[ \int \frac {\cos \left (a+b \sqrt [3]{c+d x}\right )}{x} \, dx=\cos \left (a+b \sqrt [3]{c}\right ) \operatorname {CosIntegral}\left (b \sqrt [3]{c}-b \sqrt [3]{c+d x}\right )+\cos \left (a+(-1)^{2/3} b \sqrt [3]{c}\right ) \operatorname {CosIntegral}\left ((-1)^{2/3} b \sqrt [3]{c}-b \sqrt [3]{c+d x}\right )+\cos \left (a-\sqrt [3]{-1} b \sqrt [3]{c}\right ) \operatorname {CosIntegral}\left (\sqrt [3]{-1} b \sqrt [3]{c}+b \sqrt [3]{c+d x}\right )+\sin \left (a+b \sqrt [3]{c}\right ) \text {Si}\left (b \sqrt [3]{c}-b \sqrt [3]{c+d x}\right )+\sin \left (a+(-1)^{2/3} b \sqrt [3]{c}\right ) \text {Si}\left ((-1)^{2/3} b \sqrt [3]{c}-b \sqrt [3]{c+d x}\right )-\sin \left (a-\sqrt [3]{-1} b \sqrt [3]{c}\right ) \text {Si}\left (\sqrt [3]{-1} b \sqrt [3]{c}+b \sqrt [3]{c+d x}\right ) \]
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Time = 0.58 (sec) , antiderivative size = 234, normalized size of antiderivative = 1.00, number of steps used = 11, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {3513, 3384, 3380, 3383} \[ \int \frac {\cos \left (a+b \sqrt [3]{c+d x}\right )}{x} \, dx=\cos \left (a+b \sqrt [3]{c}\right ) \operatorname {CosIntegral}\left (b \sqrt [3]{c}-b \sqrt [3]{c+d x}\right )+\cos \left (a+(-1)^{2/3} b \sqrt [3]{c}\right ) \operatorname {CosIntegral}\left ((-1)^{2/3} b \sqrt [3]{c}-b \sqrt [3]{c+d x}\right )+\cos \left (a-\sqrt [3]{-1} b \sqrt [3]{c}\right ) \operatorname {CosIntegral}\left (\sqrt [3]{-1} \sqrt [3]{c} b+\sqrt [3]{c+d x} b\right )+\sin \left (a+b \sqrt [3]{c}\right ) \text {Si}\left (b \sqrt [3]{c}-b \sqrt [3]{c+d x}\right )+\sin \left (a+(-1)^{2/3} b \sqrt [3]{c}\right ) \text {Si}\left ((-1)^{2/3} b \sqrt [3]{c}-b \sqrt [3]{c+d x}\right )-\sin \left (a-\sqrt [3]{-1} b \sqrt [3]{c}\right ) \text {Si}\left (\sqrt [3]{-1} \sqrt [3]{c} b+\sqrt [3]{c+d x} b\right ) \]
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Rule 3380
Rule 3383
Rule 3384
Rule 3513
Rubi steps \begin{align*} \text {integral}& = \frac {3 \text {Subst}\left (\int \left (-\frac {d \cos (a+b x)}{3 \left (\sqrt [3]{c}-x\right )}-\frac {d \cos (a+b x)}{3 \left (-\sqrt [3]{-1} \sqrt [3]{c}-x\right )}-\frac {d \cos (a+b x)}{3 \left ((-1)^{2/3} \sqrt [3]{c}-x\right )}\right ) \, dx,x,\sqrt [3]{c+d x}\right )}{d} \\ & = -\text {Subst}\left (\int \frac {\cos (a+b x)}{\sqrt [3]{c}-x} \, dx,x,\sqrt [3]{c+d x}\right )-\text {Subst}\left (\int \frac {\cos (a+b x)}{-\sqrt [3]{-1} \sqrt [3]{c}-x} \, dx,x,\sqrt [3]{c+d x}\right )-\text {Subst}\left (\int \frac {\cos (a+b x)}{(-1)^{2/3} \sqrt [3]{c}-x} \, dx,x,\sqrt [3]{c+d x}\right ) \\ & = -\left (\cos \left (a+b \sqrt [3]{c}\right ) \text {Subst}\left (\int \frac {\cos \left (b \sqrt [3]{c}-b x\right )}{\sqrt [3]{c}-x} \, dx,x,\sqrt [3]{c+d x}\right )\right )-\cos \left (a-\sqrt [3]{-1} b \sqrt [3]{c}\right ) \text {Subst}\left (\int \frac {\cos \left (\sqrt [3]{-1} b \sqrt [3]{c}+b x\right )}{-\sqrt [3]{-1} \sqrt [3]{c}-x} \, dx,x,\sqrt [3]{c+d x}\right )-\cos \left (a+(-1)^{2/3} b \sqrt [3]{c}\right ) \text {Subst}\left (\int \frac {\cos \left ((-1)^{2/3} b \sqrt [3]{c}-b x\right )}{(-1)^{2/3} \sqrt [3]{c}-x} \, dx,x,\sqrt [3]{c+d x}\right )-\sin \left (a+b \sqrt [3]{c}\right ) \text {Subst}\left (\int \frac {\sin \left (b \sqrt [3]{c}-b x\right )}{\sqrt [3]{c}-x} \, dx,x,\sqrt [3]{c+d x}\right )+\sin \left (a-\sqrt [3]{-1} b \sqrt [3]{c}\right ) \text {Subst}\left (\int \frac {\sin \left (\sqrt [3]{-1} b \sqrt [3]{c}+b x\right )}{-\sqrt [3]{-1} \sqrt [3]{c}-x} \, dx,x,\sqrt [3]{c+d x}\right )-\sin \left (a+(-1)^{2/3} b \sqrt [3]{c}\right ) \text {Subst}\left (\int \frac {\sin \left ((-1)^{2/3} b \sqrt [3]{c}-b x\right )}{(-1)^{2/3} \sqrt [3]{c}-x} \, dx,x,\sqrt [3]{c+d x}\right ) \\ & = \cos \left (a+b \sqrt [3]{c}\right ) \operatorname {CosIntegral}\left (b \sqrt [3]{c}-b \sqrt [3]{c+d x}\right )+\cos \left (a+(-1)^{2/3} b \sqrt [3]{c}\right ) \operatorname {CosIntegral}\left ((-1)^{2/3} b \sqrt [3]{c}-b \sqrt [3]{c+d x}\right )+\cos \left (a-\sqrt [3]{-1} b \sqrt [3]{c}\right ) \operatorname {CosIntegral}\left (\sqrt [3]{-1} b \sqrt [3]{c}+b \sqrt [3]{c+d x}\right )+\sin \left (a+b \sqrt [3]{c}\right ) \text {Si}\left (b \sqrt [3]{c}-b \sqrt [3]{c+d x}\right )+\sin \left (a+(-1)^{2/3} b \sqrt [3]{c}\right ) \text {Si}\left ((-1)^{2/3} b \sqrt [3]{c}-b \sqrt [3]{c+d x}\right )-\sin \left (a-\sqrt [3]{-1} b \sqrt [3]{c}\right ) \text {Si}\left (\sqrt [3]{-1} b \sqrt [3]{c}+b \sqrt [3]{c+d x}\right ) \\ \end{align*}
Result contains higher order function than in optimal. Order 9 vs. order 4 in optimal.
Time = 11.08 (sec) , antiderivative size = 243, normalized size of antiderivative = 1.04 \[ \int \frac {\cos \left (a+b \sqrt [3]{c+d x}\right )}{x} \, dx=\frac {1}{2} \left (\text {RootSum}\left [c-\text {$\#$1}^3\&,\cos (a+b \text {$\#$1}) \operatorname {CosIntegral}\left (b \left (\sqrt [3]{c+d x}-\text {$\#$1}\right )\right )-i \operatorname {CosIntegral}\left (b \left (\sqrt [3]{c+d x}-\text {$\#$1}\right )\right ) \sin (a+b \text {$\#$1})-i \cos (a+b \text {$\#$1}) \text {Si}\left (b \left (\sqrt [3]{c+d x}-\text {$\#$1}\right )\right )-\sin (a+b \text {$\#$1}) \text {Si}\left (b \left (\sqrt [3]{c+d x}-\text {$\#$1}\right )\right )\&\right ]+\text {RootSum}\left [c-\text {$\#$1}^3\&,\cos (a+b \text {$\#$1}) \operatorname {CosIntegral}\left (b \left (\sqrt [3]{c+d x}-\text {$\#$1}\right )\right )+i \operatorname {CosIntegral}\left (b \left (\sqrt [3]{c+d x}-\text {$\#$1}\right )\right ) \sin (a+b \text {$\#$1})+i \cos (a+b \text {$\#$1}) \text {Si}\left (b \left (\sqrt [3]{c+d x}-\text {$\#$1}\right )\right )-\sin (a+b \text {$\#$1}) \text {Si}\left (b \left (\sqrt [3]{c+d x}-\text {$\#$1}\right )\right )\&\right ]\right ) \]
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 1.10 (sec) , antiderivative size = 279, normalized size of antiderivative = 1.19
method | result | size |
derivativedivides | \(\frac {a^{2} b^{3} \left (\munderset {\textit {\_R1} =\operatorname {RootOf}\left (-b^{3} c +\textit {\_Z}^{3}-3 a \,\textit {\_Z}^{2}+3 a^{2} \textit {\_Z} -a^{3}\right )}{\sum }\frac {\operatorname {Si}\left (-b \left (d x +c \right )^{\frac {1}{3}}+\textit {\_R1} -a \right ) \sin \left (\textit {\_R1} \right )+\operatorname {Ci}\left (b \left (d x +c \right )^{\frac {1}{3}}-\textit {\_R1} +a \right ) \cos \left (\textit {\_R1} \right )}{\textit {\_R1}^{2}-2 \textit {\_R1} a +a^{2}}\right )-2 a \,b^{3} \left (\munderset {\textit {\_R1} =\operatorname {RootOf}\left (-b^{3} c +\textit {\_Z}^{3}-3 a \,\textit {\_Z}^{2}+3 a^{2} \textit {\_Z} -a^{3}\right )}{\sum }\frac {\textit {\_R1} \left (\operatorname {Si}\left (-b \left (d x +c \right )^{\frac {1}{3}}+\textit {\_R1} -a \right ) \sin \left (\textit {\_R1} \right )+\operatorname {Ci}\left (b \left (d x +c \right )^{\frac {1}{3}}-\textit {\_R1} +a \right ) \cos \left (\textit {\_R1} \right )\right )}{\textit {\_R1}^{2}-2 \textit {\_R1} a +a^{2}}\right )+b^{3} \left (\munderset {\textit {\_R1} =\operatorname {RootOf}\left (-b^{3} c +\textit {\_Z}^{3}-3 a \,\textit {\_Z}^{2}+3 a^{2} \textit {\_Z} -a^{3}\right )}{\sum }\frac {\textit {\_R1}^{2} \left (\operatorname {Si}\left (-b \left (d x +c \right )^{\frac {1}{3}}+\textit {\_R1} -a \right ) \sin \left (\textit {\_R1} \right )+\operatorname {Ci}\left (b \left (d x +c \right )^{\frac {1}{3}}-\textit {\_R1} +a \right ) \cos \left (\textit {\_R1} \right )\right )}{\textit {\_R1}^{2}-2 \textit {\_R1} a +a^{2}}\right )}{b^{3}}\) | \(279\) |
default | \(\frac {a^{2} b^{3} \left (\munderset {\textit {\_R1} =\operatorname {RootOf}\left (-b^{3} c +\textit {\_Z}^{3}-3 a \,\textit {\_Z}^{2}+3 a^{2} \textit {\_Z} -a^{3}\right )}{\sum }\frac {\operatorname {Si}\left (-b \left (d x +c \right )^{\frac {1}{3}}+\textit {\_R1} -a \right ) \sin \left (\textit {\_R1} \right )+\operatorname {Ci}\left (b \left (d x +c \right )^{\frac {1}{3}}-\textit {\_R1} +a \right ) \cos \left (\textit {\_R1} \right )}{\textit {\_R1}^{2}-2 \textit {\_R1} a +a^{2}}\right )-2 a \,b^{3} \left (\munderset {\textit {\_R1} =\operatorname {RootOf}\left (-b^{3} c +\textit {\_Z}^{3}-3 a \,\textit {\_Z}^{2}+3 a^{2} \textit {\_Z} -a^{3}\right )}{\sum }\frac {\textit {\_R1} \left (\operatorname {Si}\left (-b \left (d x +c \right )^{\frac {1}{3}}+\textit {\_R1} -a \right ) \sin \left (\textit {\_R1} \right )+\operatorname {Ci}\left (b \left (d x +c \right )^{\frac {1}{3}}-\textit {\_R1} +a \right ) \cos \left (\textit {\_R1} \right )\right )}{\textit {\_R1}^{2}-2 \textit {\_R1} a +a^{2}}\right )+b^{3} \left (\munderset {\textit {\_R1} =\operatorname {RootOf}\left (-b^{3} c +\textit {\_Z}^{3}-3 a \,\textit {\_Z}^{2}+3 a^{2} \textit {\_Z} -a^{3}\right )}{\sum }\frac {\textit {\_R1}^{2} \left (\operatorname {Si}\left (-b \left (d x +c \right )^{\frac {1}{3}}+\textit {\_R1} -a \right ) \sin \left (\textit {\_R1} \right )+\operatorname {Ci}\left (b \left (d x +c \right )^{\frac {1}{3}}-\textit {\_R1} +a \right ) \cos \left (\textit {\_R1} \right )\right )}{\textit {\_R1}^{2}-2 \textit {\_R1} a +a^{2}}\right )}{b^{3}}\) | \(279\) |
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Result contains complex when optimal does not.
Time = 0.28 (sec) , antiderivative size = 287, normalized size of antiderivative = 1.23 \[ \int \frac {\cos \left (a+b \sqrt [3]{c+d x}\right )}{x} \, dx=\frac {1}{2} \, {\rm Ei}\left (i \, {\left (d x + c\right )}^{\frac {1}{3}} b + \frac {1}{2} \, \left (i \, b^{3} c\right )^{\frac {1}{3}} {\left (-i \, \sqrt {3} - 1\right )}\right ) e^{\left (\frac {1}{2} \, \left (i \, b^{3} c\right )^{\frac {1}{3}} {\left (i \, \sqrt {3} + 1\right )} + i \, a\right )} + \frac {1}{2} \, {\rm Ei}\left (-i \, {\left (d x + c\right )}^{\frac {1}{3}} b + \frac {1}{2} \, \left (-i \, b^{3} c\right )^{\frac {1}{3}} {\left (-i \, \sqrt {3} - 1\right )}\right ) e^{\left (\frac {1}{2} \, \left (-i \, b^{3} c\right )^{\frac {1}{3}} {\left (i \, \sqrt {3} + 1\right )} - i \, a\right )} + \frac {1}{2} \, {\rm Ei}\left (i \, {\left (d x + c\right )}^{\frac {1}{3}} b + \frac {1}{2} \, \left (i \, b^{3} c\right )^{\frac {1}{3}} {\left (i \, \sqrt {3} - 1\right )}\right ) e^{\left (\frac {1}{2} \, \left (i \, b^{3} c\right )^{\frac {1}{3}} {\left (-i \, \sqrt {3} + 1\right )} + i \, a\right )} + \frac {1}{2} \, {\rm Ei}\left (-i \, {\left (d x + c\right )}^{\frac {1}{3}} b + \frac {1}{2} \, \left (-i \, b^{3} c\right )^{\frac {1}{3}} {\left (i \, \sqrt {3} - 1\right )}\right ) e^{\left (\frac {1}{2} \, \left (-i \, b^{3} c\right )^{\frac {1}{3}} {\left (-i \, \sqrt {3} + 1\right )} - i \, a\right )} + \frac {1}{2} \, {\rm Ei}\left (i \, {\left (d x + c\right )}^{\frac {1}{3}} b + \left (i \, b^{3} c\right )^{\frac {1}{3}}\right ) e^{\left (i \, a - \left (i \, b^{3} c\right )^{\frac {1}{3}}\right )} + \frac {1}{2} \, {\rm Ei}\left (-i \, {\left (d x + c\right )}^{\frac {1}{3}} b + \left (-i \, b^{3} c\right )^{\frac {1}{3}}\right ) e^{\left (-i \, a - \left (-i \, b^{3} c\right )^{\frac {1}{3}}\right )} \]
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\[ \int \frac {\cos \left (a+b \sqrt [3]{c+d x}\right )}{x} \, dx=\int \frac {\cos {\left (a + b \sqrt [3]{c + d x} \right )}}{x}\, dx \]
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\[ \int \frac {\cos \left (a+b \sqrt [3]{c+d x}\right )}{x} \, dx=\int { \frac {\cos \left ({\left (d x + c\right )}^{\frac {1}{3}} b + a\right )}{x} \,d x } \]
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\[ \int \frac {\cos \left (a+b \sqrt [3]{c+d x}\right )}{x} \, dx=\int { \frac {\cos \left ({\left (d x + c\right )}^{\frac {1}{3}} b + a\right )}{x} \,d x } \]
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Timed out. \[ \int \frac {\cos \left (a+b \sqrt [3]{c+d x}\right )}{x} \, dx=\int \frac {\cos \left (a+b\,{\left (c+d\,x\right )}^{1/3}\right )}{x} \,d x \]
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