Integrand size = 20, antiderivative size = 182 \[ \int (c+d x)^2 (a+b \cosh (e+f x))^2 \, dx=\frac {b^2 d^2 x}{4 f^2}+\frac {a^2 (c+d x)^3}{3 d}+\frac {b^2 (c+d x)^3}{6 d}-\frac {4 a b d (c+d x) \cosh (e+f x)}{f^2}-\frac {b^2 d (c+d x) \cosh ^2(e+f x)}{2 f^2}+\frac {4 a b d^2 \sinh (e+f x)}{f^3}+\frac {2 a b (c+d x)^2 \sinh (e+f x)}{f}+\frac {b^2 d^2 \cosh (e+f x) \sinh (e+f x)}{4 f^3}+\frac {b^2 (c+d x)^2 \cosh (e+f x) \sinh (e+f x)}{2 f} \]
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Time = 0.15 (sec) , antiderivative size = 182, normalized size of antiderivative = 1.00, number of steps used = 9, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.350, Rules used = {3398, 3377, 2717, 3392, 32, 2715, 8} \[ \int (c+d x)^2 (a+b \cosh (e+f x))^2 \, dx=\frac {a^2 (c+d x)^3}{3 d}-\frac {4 a b d (c+d x) \cosh (e+f x)}{f^2}+\frac {2 a b (c+d x)^2 \sinh (e+f x)}{f}+\frac {4 a b d^2 \sinh (e+f x)}{f^3}-\frac {b^2 d (c+d x) \cosh ^2(e+f x)}{2 f^2}+\frac {b^2 (c+d x)^2 \sinh (e+f x) \cosh (e+f x)}{2 f}+\frac {b^2 (c+d x)^3}{6 d}+\frac {b^2 d^2 \sinh (e+f x) \cosh (e+f x)}{4 f^3}+\frac {b^2 d^2 x}{4 f^2} \]
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Rule 8
Rule 32
Rule 2715
Rule 2717
Rule 3377
Rule 3392
Rule 3398
Rubi steps \begin{align*} \text {integral}& = \int \left (a^2 (c+d x)^2+2 a b (c+d x)^2 \cosh (e+f x)+b^2 (c+d x)^2 \cosh ^2(e+f x)\right ) \, dx \\ & = \frac {a^2 (c+d x)^3}{3 d}+(2 a b) \int (c+d x)^2 \cosh (e+f x) \, dx+b^2 \int (c+d x)^2 \cosh ^2(e+f x) \, dx \\ & = \frac {a^2 (c+d x)^3}{3 d}-\frac {b^2 d (c+d x) \cosh ^2(e+f x)}{2 f^2}+\frac {2 a b (c+d x)^2 \sinh (e+f x)}{f}+\frac {b^2 (c+d x)^2 \cosh (e+f x) \sinh (e+f x)}{2 f}+\frac {1}{2} b^2 \int (c+d x)^2 \, dx+\frac {\left (b^2 d^2\right ) \int \cosh ^2(e+f x) \, dx}{2 f^2}-\frac {(4 a b d) \int (c+d x) \sinh (e+f x) \, dx}{f} \\ & = \frac {a^2 (c+d x)^3}{3 d}+\frac {b^2 (c+d x)^3}{6 d}-\frac {4 a b d (c+d x) \cosh (e+f x)}{f^2}-\frac {b^2 d (c+d x) \cosh ^2(e+f x)}{2 f^2}+\frac {2 a b (c+d x)^2 \sinh (e+f x)}{f}+\frac {b^2 d^2 \cosh (e+f x) \sinh (e+f x)}{4 f^3}+\frac {b^2 (c+d x)^2 \cosh (e+f x) \sinh (e+f x)}{2 f}+\frac {\left (4 a b d^2\right ) \int \cosh (e+f x) \, dx}{f^2}+\frac {\left (b^2 d^2\right ) \int 1 \, dx}{4 f^2} \\ & = \frac {b^2 d^2 x}{4 f^2}+\frac {a^2 (c+d x)^3}{3 d}+\frac {b^2 (c+d x)^3}{6 d}-\frac {4 a b d (c+d x) \cosh (e+f x)}{f^2}-\frac {b^2 d (c+d x) \cosh ^2(e+f x)}{2 f^2}+\frac {4 a b d^2 \sinh (e+f x)}{f^3}+\frac {2 a b (c+d x)^2 \sinh (e+f x)}{f}+\frac {b^2 d^2 \cosh (e+f x) \sinh (e+f x)}{4 f^3}+\frac {b^2 (c+d x)^2 \cosh (e+f x) \sinh (e+f x)}{2 f} \\ \end{align*}
Time = 0.61 (sec) , antiderivative size = 252, normalized size of antiderivative = 1.38 \[ \int (c+d x)^2 (a+b \cosh (e+f x))^2 \, dx=\frac {1}{24} \left (24 a^2 c^2 x+12 b^2 c^2 x+24 a^2 c d x^2+12 b^2 c d x^2+8 a^2 d^2 x^3+4 b^2 d^2 x^3-\frac {96 a b d (c+d x) \cosh (e+f x)}{f^2}-\frac {6 b^2 d (c+d x) \cosh (2 (e+f x))}{f^2}+\frac {96 a b d^2 \sinh (e+f x)}{f^3}+\frac {48 a b c^2 \sinh (e+f x)}{f}+\frac {96 a b c d x \sinh (e+f x)}{f}+\frac {48 a b d^2 x^2 \sinh (e+f x)}{f}+\frac {3 b^2 d^2 \sinh (2 (e+f x))}{f^3}+\frac {6 b^2 c^2 \sinh (2 (e+f x))}{f}+\frac {12 b^2 c d x \sinh (2 (e+f x))}{f}+\frac {6 b^2 d^2 x^2 \sinh (2 (e+f x))}{f}\right ) \]
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Time = 0.36 (sec) , antiderivative size = 145, normalized size of antiderivative = 0.80
method | result | size |
parallelrisch | \(\frac {\left (\left (d x +c \right )^{2} f^{2}+\frac {d^{2}}{2}\right ) b^{2} \sinh \left (2 f x +2 e \right )-b^{2} d f \left (d x +c \right ) \cosh \left (2 f x +2 e \right )+8 \left (\left (d x +c \right )^{2} f^{2}+2 d^{2}\right ) b a \sinh \left (f x +e \right )+4 \left (-4 b a d \left (d x +c \right ) \cosh \left (f x +e \right )+x \left (a^{2}+\frac {b^{2}}{2}\right ) \left (\frac {1}{3} x^{2} d^{2}+c d x +c^{2}\right ) f^{2}-4 c d \left (a -\frac {b}{16}\right ) b \right ) f}{4 f^{3}}\) | \(145\) |
risch | \(\frac {a^{2} d^{2} x^{3}}{3}+\frac {d^{2} b^{2} x^{3}}{6}+a^{2} d c \,x^{2}+\frac {d \,b^{2} c \,x^{2}}{2}+a^{2} c^{2} x +\frac {b^{2} c^{2} x}{2}+\frac {a^{2} c^{3}}{3 d}+\frac {b^{2} c^{3}}{6 d}+\frac {b^{2} \left (2 d^{2} x^{2} f^{2}+4 c d \,f^{2} x +2 c^{2} f^{2}-2 d^{2} f x -2 c d f +d^{2}\right ) {\mathrm e}^{2 f x +2 e}}{16 f^{3}}+\frac {a b \left (d^{2} x^{2} f^{2}+2 c d \,f^{2} x +c^{2} f^{2}-2 d^{2} f x -2 c d f +2 d^{2}\right ) {\mathrm e}^{f x +e}}{f^{3}}-\frac {a b \left (d^{2} x^{2} f^{2}+2 c d \,f^{2} x +c^{2} f^{2}+2 d^{2} f x +2 c d f +2 d^{2}\right ) {\mathrm e}^{-f x -e}}{f^{3}}-\frac {b^{2} \left (2 d^{2} x^{2} f^{2}+4 c d \,f^{2} x +2 c^{2} f^{2}+2 d^{2} f x +2 c d f +d^{2}\right ) {\mathrm e}^{-2 f x -2 e}}{16 f^{3}}\) | \(316\) |
parts | \(\frac {a^{2} \left (d x +c \right )^{3}}{3 d}+\frac {b^{2} \left (\frac {d^{2} \left (\frac {\left (f x +e \right )^{2} \cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {\left (f x +e \right )^{3}}{6}-\frac {\left (f x +e \right ) \cosh \left (f x +e \right )^{2}}{2}+\frac {\cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{4}+\frac {f x}{4}+\frac {e}{4}\right )}{f^{2}}-\frac {2 d^{2} e \left (\frac {\left (f x +e \right ) \cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {\left (f x +e \right )^{2}}{4}-\frac {\cosh \left (f x +e \right )^{2}}{4}\right )}{f^{2}}+\frac {d^{2} e^{2} \left (\frac {\cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )}{f^{2}}+\frac {2 c d \left (\frac {\left (f x +e \right ) \cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {\left (f x +e \right )^{2}}{4}-\frac {\cosh \left (f x +e \right )^{2}}{4}\right )}{f}-\frac {2 c d e \left (\frac {\cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )}{f}+c^{2} \left (\frac {\cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )\right )}{f}+\frac {2 a b \left (\frac {d^{2} \left (\left (f x +e \right )^{2} \sinh \left (f x +e \right )-2 \left (f x +e \right ) \cosh \left (f x +e \right )+2 \sinh \left (f x +e \right )\right )}{f^{2}}-\frac {2 d^{2} e \left (\left (f x +e \right ) \sinh \left (f x +e \right )-\cosh \left (f x +e \right )\right )}{f^{2}}+\frac {2 d c \left (\left (f x +e \right ) \sinh \left (f x +e \right )-\cosh \left (f x +e \right )\right )}{f}+\frac {d^{2} e^{2} \sinh \left (f x +e \right )}{f^{2}}-\frac {2 d e c \sinh \left (f x +e \right )}{f}+c^{2} \sinh \left (f x +e \right )\right )}{f}\) | \(430\) |
derivativedivides | \(\frac {\frac {d^{2} a^{2} \left (f x +e \right )^{3}}{3 f^{2}}+\frac {2 d^{2} a b \left (\left (f x +e \right )^{2} \sinh \left (f x +e \right )-2 \left (f x +e \right ) \cosh \left (f x +e \right )+2 \sinh \left (f x +e \right )\right )}{f^{2}}+\frac {d^{2} b^{2} \left (\frac {\left (f x +e \right )^{2} \cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {\left (f x +e \right )^{3}}{6}-\frac {\left (f x +e \right ) \cosh \left (f x +e \right )^{2}}{2}+\frac {\cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{4}+\frac {f x}{4}+\frac {e}{4}\right )}{f^{2}}-\frac {d^{2} e \,a^{2} \left (f x +e \right )^{2}}{f^{2}}-\frac {4 d^{2} e a b \left (\left (f x +e \right ) \sinh \left (f x +e \right )-\cosh \left (f x +e \right )\right )}{f^{2}}-\frac {2 d^{2} e \,b^{2} \left (\frac {\left (f x +e \right ) \cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {\left (f x +e \right )^{2}}{4}-\frac {\cosh \left (f x +e \right )^{2}}{4}\right )}{f^{2}}+\frac {d c \,a^{2} \left (f x +e \right )^{2}}{f}+\frac {4 d c a b \left (\left (f x +e \right ) \sinh \left (f x +e \right )-\cosh \left (f x +e \right )\right )}{f}+\frac {2 d c \,b^{2} \left (\frac {\left (f x +e \right ) \cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {\left (f x +e \right )^{2}}{4}-\frac {\cosh \left (f x +e \right )^{2}}{4}\right )}{f}+\frac {d^{2} e^{2} a^{2} \left (f x +e \right )}{f^{2}}+\frac {2 d^{2} e^{2} a b \sinh \left (f x +e \right )}{f^{2}}+\frac {d^{2} e^{2} b^{2} \left (\frac {\cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )}{f^{2}}-\frac {2 d e c \,a^{2} \left (f x +e \right )}{f}-\frac {4 d e c a b \sinh \left (f x +e \right )}{f}-\frac {2 d e c \,b^{2} \left (\frac {\cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )}{f}+c^{2} a^{2} \left (f x +e \right )+2 c^{2} a b \sinh \left (f x +e \right )+b^{2} c^{2} \left (\frac {\cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )}{f}\) | \(535\) |
default | \(\frac {\frac {d^{2} a^{2} \left (f x +e \right )^{3}}{3 f^{2}}+\frac {2 d^{2} a b \left (\left (f x +e \right )^{2} \sinh \left (f x +e \right )-2 \left (f x +e \right ) \cosh \left (f x +e \right )+2 \sinh \left (f x +e \right )\right )}{f^{2}}+\frac {d^{2} b^{2} \left (\frac {\left (f x +e \right )^{2} \cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {\left (f x +e \right )^{3}}{6}-\frac {\left (f x +e \right ) \cosh \left (f x +e \right )^{2}}{2}+\frac {\cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{4}+\frac {f x}{4}+\frac {e}{4}\right )}{f^{2}}-\frac {d^{2} e \,a^{2} \left (f x +e \right )^{2}}{f^{2}}-\frac {4 d^{2} e a b \left (\left (f x +e \right ) \sinh \left (f x +e \right )-\cosh \left (f x +e \right )\right )}{f^{2}}-\frac {2 d^{2} e \,b^{2} \left (\frac {\left (f x +e \right ) \cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {\left (f x +e \right )^{2}}{4}-\frac {\cosh \left (f x +e \right )^{2}}{4}\right )}{f^{2}}+\frac {d c \,a^{2} \left (f x +e \right )^{2}}{f}+\frac {4 d c a b \left (\left (f x +e \right ) \sinh \left (f x +e \right )-\cosh \left (f x +e \right )\right )}{f}+\frac {2 d c \,b^{2} \left (\frac {\left (f x +e \right ) \cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {\left (f x +e \right )^{2}}{4}-\frac {\cosh \left (f x +e \right )^{2}}{4}\right )}{f}+\frac {d^{2} e^{2} a^{2} \left (f x +e \right )}{f^{2}}+\frac {2 d^{2} e^{2} a b \sinh \left (f x +e \right )}{f^{2}}+\frac {d^{2} e^{2} b^{2} \left (\frac {\cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )}{f^{2}}-\frac {2 d e c \,a^{2} \left (f x +e \right )}{f}-\frac {4 d e c a b \sinh \left (f x +e \right )}{f}-\frac {2 d e c \,b^{2} \left (\frac {\cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )}{f}+c^{2} a^{2} \left (f x +e \right )+2 c^{2} a b \sinh \left (f x +e \right )+b^{2} c^{2} \left (\frac {\cosh \left (f x +e \right ) \sinh \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )}{f}\) | \(535\) |
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Time = 0.25 (sec) , antiderivative size = 240, normalized size of antiderivative = 1.32 \[ \int (c+d x)^2 (a+b \cosh (e+f x))^2 \, dx=\frac {2 \, {\left (2 \, a^{2} + b^{2}\right )} d^{2} f^{3} x^{3} + 6 \, {\left (2 \, a^{2} + b^{2}\right )} c d f^{3} x^{2} + 6 \, {\left (2 \, a^{2} + b^{2}\right )} c^{2} f^{3} x - 3 \, {\left (b^{2} d^{2} f x + b^{2} c d f\right )} \cosh \left (f x + e\right )^{2} - 3 \, {\left (b^{2} d^{2} f x + b^{2} c d f\right )} \sinh \left (f x + e\right )^{2} - 48 \, {\left (a b d^{2} f x + a b c d f\right )} \cosh \left (f x + e\right ) + 3 \, {\left (8 \, a b d^{2} f^{2} x^{2} + 16 \, a b c d f^{2} x + 8 \, a b c^{2} f^{2} + 16 \, a b d^{2} + {\left (2 \, b^{2} d^{2} f^{2} x^{2} + 4 \, b^{2} c d f^{2} x + 2 \, b^{2} c^{2} f^{2} + b^{2} d^{2}\right )} \cosh \left (f x + e\right )\right )} \sinh \left (f x + e\right )}{12 \, f^{3}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 456 vs. \(2 (177) = 354\).
Time = 0.33 (sec) , antiderivative size = 456, normalized size of antiderivative = 2.51 \[ \int (c+d x)^2 (a+b \cosh (e+f x))^2 \, dx=\begin {cases} a^{2} c^{2} x + a^{2} c d x^{2} + \frac {a^{2} d^{2} x^{3}}{3} + \frac {2 a b c^{2} \sinh {\left (e + f x \right )}}{f} + \frac {4 a b c d x \sinh {\left (e + f x \right )}}{f} - \frac {4 a b c d \cosh {\left (e + f x \right )}}{f^{2}} + \frac {2 a b d^{2} x^{2} \sinh {\left (e + f x \right )}}{f} - \frac {4 a b d^{2} x \cosh {\left (e + f x \right )}}{f^{2}} + \frac {4 a b d^{2} \sinh {\left (e + f x \right )}}{f^{3}} - \frac {b^{2} c^{2} x \sinh ^{2}{\left (e + f x \right )}}{2} + \frac {b^{2} c^{2} x \cosh ^{2}{\left (e + f x \right )}}{2} + \frac {b^{2} c^{2} \sinh {\left (e + f x \right )} \cosh {\left (e + f x \right )}}{2 f} - \frac {b^{2} c d x^{2} \sinh ^{2}{\left (e + f x \right )}}{2} + \frac {b^{2} c d x^{2} \cosh ^{2}{\left (e + f x \right )}}{2} + \frac {b^{2} c d x \sinh {\left (e + f x \right )} \cosh {\left (e + f x \right )}}{f} - \frac {b^{2} c d \sinh ^{2}{\left (e + f x \right )}}{2 f^{2}} - \frac {b^{2} d^{2} x^{3} \sinh ^{2}{\left (e + f x \right )}}{6} + \frac {b^{2} d^{2} x^{3} \cosh ^{2}{\left (e + f x \right )}}{6} + \frac {b^{2} d^{2} x^{2} \sinh {\left (e + f x \right )} \cosh {\left (e + f x \right )}}{2 f} - \frac {b^{2} d^{2} x \sinh ^{2}{\left (e + f x \right )}}{4 f^{2}} - \frac {b^{2} d^{2} x \cosh ^{2}{\left (e + f x \right )}}{4 f^{2}} + \frac {b^{2} d^{2} \sinh {\left (e + f x \right )} \cosh {\left (e + f x \right )}}{4 f^{3}} & \text {for}\: f \neq 0 \\\left (a + b \cosh {\left (e \right )}\right )^{2} \left (c^{2} x + c d x^{2} + \frac {d^{2} x^{3}}{3}\right ) & \text {otherwise} \end {cases} \]
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Time = 0.22 (sec) , antiderivative size = 324, normalized size of antiderivative = 1.78 \[ \int (c+d x)^2 (a+b \cosh (e+f x))^2 \, dx=\frac {1}{3} \, a^{2} d^{2} x^{3} + a^{2} c d x^{2} + \frac {1}{8} \, {\left (4 \, x^{2} + \frac {{\left (2 \, f x e^{\left (2 \, e\right )} - e^{\left (2 \, e\right )}\right )} e^{\left (2 \, f x\right )}}{f^{2}} - \frac {{\left (2 \, f x + 1\right )} e^{\left (-2 \, f x - 2 \, e\right )}}{f^{2}}\right )} b^{2} c d + \frac {1}{48} \, {\left (8 \, x^{3} + \frac {3 \, {\left (2 \, f^{2} x^{2} e^{\left (2 \, e\right )} - 2 \, f x e^{\left (2 \, e\right )} + e^{\left (2 \, e\right )}\right )} e^{\left (2 \, f x\right )}}{f^{3}} - \frac {3 \, {\left (2 \, f^{2} x^{2} + 2 \, f x + 1\right )} e^{\left (-2 \, f x - 2 \, e\right )}}{f^{3}}\right )} b^{2} d^{2} + \frac {1}{8} \, b^{2} c^{2} {\left (4 \, x + \frac {e^{\left (2 \, f x + 2 \, e\right )}}{f} - \frac {e^{\left (-2 \, f x - 2 \, e\right )}}{f}\right )} + a^{2} c^{2} x + 2 \, a b c d {\left (\frac {{\left (f x e^{e} - e^{e}\right )} e^{\left (f x\right )}}{f^{2}} - \frac {{\left (f x + 1\right )} e^{\left (-f x - e\right )}}{f^{2}}\right )} + a b d^{2} {\left (\frac {{\left (f^{2} x^{2} e^{e} - 2 \, f x e^{e} + 2 \, e^{e}\right )} e^{\left (f x\right )}}{f^{3}} - \frac {{\left (f^{2} x^{2} + 2 \, f x + 2\right )} e^{\left (-f x - e\right )}}{f^{3}}\right )} + \frac {2 \, a b c^{2} \sinh \left (f x + e\right )}{f} \]
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Leaf count of result is larger than twice the leaf count of optimal. 345 vs. \(2 (170) = 340\).
Time = 0.49 (sec) , antiderivative size = 345, normalized size of antiderivative = 1.90 \[ \int (c+d x)^2 (a+b \cosh (e+f x))^2 \, dx=\frac {1}{3} \, a^{2} d^{2} x^{3} + \frac {1}{6} \, b^{2} d^{2} x^{3} + a^{2} c d x^{2} + \frac {1}{2} \, b^{2} c d x^{2} + a^{2} c^{2} x + \frac {1}{2} \, b^{2} c^{2} x + \frac {{\left (2 \, b^{2} d^{2} f^{2} x^{2} + 4 \, b^{2} c d f^{2} x + 2 \, b^{2} c^{2} f^{2} - 2 \, b^{2} d^{2} f x - 2 \, b^{2} c d f + b^{2} d^{2}\right )} e^{\left (2 \, f x + 2 \, e\right )}}{16 \, f^{3}} + \frac {{\left (a b d^{2} f^{2} x^{2} + 2 \, a b c d f^{2} x + a b c^{2} f^{2} - 2 \, a b d^{2} f x - 2 \, a b c d f + 2 \, a b d^{2}\right )} e^{\left (f x + e\right )}}{f^{3}} - \frac {{\left (a b d^{2} f^{2} x^{2} + 2 \, a b c d f^{2} x + a b c^{2} f^{2} + 2 \, a b d^{2} f x + 2 \, a b c d f + 2 \, a b d^{2}\right )} e^{\left (-f x - e\right )}}{f^{3}} - \frac {{\left (2 \, b^{2} d^{2} f^{2} x^{2} + 4 \, b^{2} c d f^{2} x + 2 \, b^{2} c^{2} f^{2} + 2 \, b^{2} d^{2} f x + 2 \, b^{2} c d f + b^{2} d^{2}\right )} e^{\left (-2 \, f x - 2 \, e\right )}}{16 \, f^{3}} \]
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Time = 2.19 (sec) , antiderivative size = 281, normalized size of antiderivative = 1.54 \[ \int (c+d x)^2 (a+b \cosh (e+f x))^2 \, dx=a^2\,c^2\,x+\frac {b^2\,c^2\,x}{2}+\frac {a^2\,d^2\,x^3}{3}+\frac {b^2\,d^2\,x^3}{6}+\frac {b^2\,c^2\,\mathrm {sinh}\left (2\,e+2\,f\,x\right )}{4\,f}+\frac {b^2\,d^2\,\mathrm {sinh}\left (2\,e+2\,f\,x\right )}{8\,f^3}+a^2\,c\,d\,x^2+\frac {b^2\,c\,d\,x^2}{2}+\frac {2\,a\,b\,c^2\,\mathrm {sinh}\left (e+f\,x\right )}{f}+\frac {4\,a\,b\,d^2\,\mathrm {sinh}\left (e+f\,x\right )}{f^3}+\frac {b^2\,d^2\,x^2\,\mathrm {sinh}\left (2\,e+2\,f\,x\right )}{4\,f}-\frac {b^2\,c\,d\,\mathrm {cosh}\left (2\,e+2\,f\,x\right )}{4\,f^2}-\frac {b^2\,d^2\,x\,\mathrm {cosh}\left (2\,e+2\,f\,x\right )}{4\,f^2}-\frac {4\,a\,b\,c\,d\,\mathrm {cosh}\left (e+f\,x\right )}{f^2}-\frac {4\,a\,b\,d^2\,x\,\mathrm {cosh}\left (e+f\,x\right )}{f^2}+\frac {2\,a\,b\,d^2\,x^2\,\mathrm {sinh}\left (e+f\,x\right )}{f}+\frac {b^2\,c\,d\,x\,\mathrm {sinh}\left (2\,e+2\,f\,x\right )}{2\,f}+\frac {4\,a\,b\,c\,d\,x\,\mathrm {sinh}\left (e+f\,x\right )}{f} \]
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