\(\int \frac {(c+d x)^3}{(a+b x)^9} \, dx\) [1272]

Optimal result

Integrand size = 15, antiderivative size = 92 \[ \int \frac {(c+d x)^3}{(a+b x)^9} \, dx=-\frac {(b c-a d)^3}{8 b^4 (a+b x)^8}-\frac {3 d (b c-a d)^2}{7 b^4 (a+b x)^7}-\frac {d^2 (b c-a d)}{2 b^4 (a+b x)^6}-\frac {d^3}{5 b^4 (a+b x)^5} \]

[Out]

-1/8*(-a*d+b*c)^3/b^4/(b*x+a)^8-3/7*d*(-a*d+b*c)^2/b^4/(b*x+a)^7-1/2*d^2*(-a*d+b*c)/b^4/(b*x+a)^6-1/5*d^3/b^4/
(b*x+a)^5

Rubi [A] (verified)

Time = 0.04 (sec) , antiderivative size = 92, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {45} \[ \int \frac {(c+d x)^3}{(a+b x)^9} \, dx=-\frac {d^2 (b c-a d)}{2 b^4 (a+b x)^6}-\frac {3 d (b c-a d)^2}{7 b^4 (a+b x)^7}-\frac {(b c-a d)^3}{8 b^4 (a+b x)^8}-\frac {d^3}{5 b^4 (a+b x)^5} \]

[In]

Int[(c + d*x)^3/(a + b*x)^9,x]

[Out]

-1/8*(b*c - a*d)^3/(b^4*(a + b*x)^8) - (3*d*(b*c - a*d)^2)/(7*b^4*(a + b*x)^7) - (d^2*(b*c - a*d))/(2*b^4*(a +
b*x)^6) - d^3/(5*b^4*(a + b*x)^5)

Rule 45

Int[((a_.) + (b_.)*(x_))^(m_.)*((c_.) + (d_.)*(x_))^(n_.), x_Symbol] :> Int[ExpandIntegrand[(a + b*x)^m*(c + d
*x)^n, x], x] /; FreeQ[{a, b, c, d, n}, x] && NeQ[b*c - a*d, 0] && IGtQ[m, 0] && ( !IntegerQ[n] || (EqQ[c, 0]
&& LeQ[7*m + 4*n + 4, 0]) || LtQ[9*m + 5*(n + 1), 0] || GtQ[m + n + 2, 0])

Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {(b c-a d)^3}{b^3 (a+b x)^9}+\frac {3 d (b c-a d)^2}{b^3 (a+b x)^8}+\frac {3 d^2 (b c-a d)}{b^3 (a+b x)^7}+\frac {d^3}{b^3 (a+b x)^6}\right ) \, dx \\ & = -\frac {(b c-a d)^3}{8 b^4 (a+b x)^8}-\frac {3 d (b c-a d)^2}{7 b^4 (a+b x)^7}-\frac {d^2 (b c-a d)}{2 b^4 (a+b x)^6}-\frac {d^3}{5 b^4 (a+b x)^5} \\ \end{align*}

Mathematica [A] (verified)

Time = 0.02 (sec) , antiderivative size = 97, normalized size of antiderivative = 1.05 \[ \int \frac {(c+d x)^3}{(a+b x)^9} \, dx=-\frac {a^3 d^3+a^2 b d^2 (5 c+8 d x)+a b^2 d \left (15 c^2+40 c d x+28 d^2 x^2\right )+b^3 \left (35 c^3+120 c^2 d x+140 c d^2 x^2+56 d^3 x^3\right )}{280 b^4 (a+b x)^8} \]

[In]

Integrate[(c + d*x)^3/(a + b*x)^9,x]

[Out]

-1/280*(a^3*d^3 + a^2*b*d^2*(5*c + 8*d*x) + a*b^2*d*(15*c^2 + 40*c*d*x + 28*d^2*x^2) + b^3*(35*c^3 + 120*c^2*d
*x + 140*c*d^2*x^2 + 56*d^3*x^3))/(b^4*(a + b*x)^8)

Maple [A] (verified)

Time = 0.61 (sec) , antiderivative size = 110, normalized size of antiderivative = 1.20

method	result	size
risch	\(\frac {-\frac {d^{3} x^{3}}{5 b}-\frac {d^{2} \left (a d +5 b c \right ) x^{2}}{10 b^{2}}-\frac {d \left (a^{2} d^{2}+5 a b c d +15 b^{2} c^{2}\right ) x}{35 b^{3}}-\frac {a^{3} d^{3}+5 a^{2} b c \,d^{2}+15 a \,b^{2} c^{2} d +35 b^{3} c^{3}}{280 b^{4}}}{\left (b x +a \right )^{8}}\)	\(110\)
gosper	\(-\frac {56 d^{3} x^{3} b^{3}+28 x^{2} a \,b^{2} d^{3}+140 x^{2} b^{3} c \,d^{2}+8 x \,a^{2} b \,d^{3}+40 x a \,b^{2} c \,d^{2}+120 x \,b^{3} c^{2} d +a^{3} d^{3}+5 a^{2} b c \,d^{2}+15 a \,b^{2} c^{2} d +35 b^{3} c^{3}}{280 b^{4} \left (b x +a \right )^{8}}\)	\(115\)
default	\(\frac {d^{2} \left (a d -b c \right )}{2 b^{4} \left (b x +a \right )^{6}}-\frac {-a^{3} d^{3}+3 a^{2} b c \,d^{2}-3 a \,b^{2} c^{2} d +b^{3} c^{3}}{8 b^{4} \left (b x +a \right )^{8}}-\frac {3 d \left (a^{2} d^{2}-2 a b c d +b^{2} c^{2}\right )}{7 b^{4} \left (b x +a \right )^{7}}-\frac {d^{3}}{5 b^{4} \left (b x +a \right )^{5}}\)	\(122\)
parallelrisch	\(\frac {-56 d^{3} x^{3} b^{7}-28 a \,b^{6} d^{3} x^{2}-140 b^{7} c \,d^{2} x^{2}-8 a^{2} b^{5} d^{3} x -40 a \,b^{6} c \,d^{2} x -120 b^{7} c^{2} d x -a^{3} b^{4} d^{3}-5 a^{2} b^{5} c \,d^{2}-15 a \,b^{6} c^{2} d -35 c^{3} b^{7}}{280 b^{8} \left (b x +a \right )^{8}}\)	\(123\)
norman	\(\frac {-\frac {d^{3} x^{3}}{5 b}+\frac {\left (-a \,b^{4} d^{3}-5 b^{5} c \,d^{2}\right ) x^{2}}{10 b^{6}}+\frac {\left (-a^{2} b^{4} d^{3}-5 a \,b^{5} c \,d^{2}-15 c^{2} d \,b^{6}\right ) x}{35 b^{7}}+\frac {-a^{3} b^{4} d^{3}-5 a^{2} b^{5} c \,d^{2}-15 a \,b^{6} c^{2} d -35 c^{3} b^{7}}{280 b^{8}}}{\left (b x +a \right )^{8}}\)	\(132\)

[In]

int((d*x+c)^3/(b*x+a)^9,x,method=_RETURNVERBOSE)

[Out]

(-1/5/b*d^3*x^3-1/10/b^2*d^2*(a*d+5*b*c)*x^2-1/35/b^3*d*(a^2*d^2+5*a*b*c*d+15*b^2*c^2)*x-1/280/b^4*(a^3*d^3+5*
a^2*b*c*d^2+15*a*b^2*c^2*d+35*b^3*c^3))/(b*x+a)^8

Fricas [B] (verification not implemented)

Leaf count of result is larger than twice the leaf count of optimal. 193 vs. \(2 (84) = 168\).

Time = 0.22 (sec) , antiderivative size = 193, normalized size of antiderivative = 2.10 \[ \int \frac {(c+d x)^3}{(a+b x)^9} \, dx=-\frac {56 \, b^{3} d^{3} x^{3} + 35 \, b^{3} c^{3} + 15 \, a b^{2} c^{2} d + 5 \, a^{2} b c d^{2} + a^{3} d^{3} + 28 \, {\left (5 \, b^{3} c d^{2} + a b^{2} d^{3}\right )} x^{2} + 8 \, {\left (15 \, b^{3} c^{2} d + 5 \, a b^{2} c d^{2} + a^{2} b d^{3}\right )} x}{280 \, {\left (b^{12} x^{8} + 8 \, a b^{11} x^{7} + 28 \, a^{2} b^{10} x^{6} + 56 \, a^{3} b^{9} x^{5} + 70 \, a^{4} b^{8} x^{4} + 56 \, a^{5} b^{7} x^{3} + 28 \, a^{6} b^{6} x^{2} + 8 \, a^{7} b^{5} x + a^{8} b^{4}\right )}} \]

[In]

integrate((d*x+c)^3/(b*x+a)^9,x, algorithm="fricas")

[Out]

-1/280*(56*b^3*d^3*x^3 + 35*b^3*c^3 + 15*a*b^2*c^2*d + 5*a^2*b*c*d^2 + a^3*d^3 + 28*(5*b^3*c*d^2 + a*b^2*d^3)*
x^2 + 8*(15*b^3*c^2*d + 5*a*b^2*c*d^2 + a^2*b*d^3)*x)/(b^12*x^8 + 8*a*b^11*x^7 + 28*a^2*b^10*x^6 + 56*a^3*b^9*
x^5 + 70*a^4*b^8*x^4 + 56*a^5*b^7*x^3 + 28*a^6*b^6*x^2 + 8*a^7*b^5*x + a^8*b^4)

Sympy [B] (verification not implemented)

Leaf count of result is larger than twice the leaf count of optimal. 207 vs. \(2 (82) = 164\).

Time = 3.04 (sec) , antiderivative size = 207, normalized size of antiderivative = 2.25 \[ \int \frac {(c+d x)^3}{(a+b x)^9} \, dx=\frac {- a^{3} d^{3} - 5 a^{2} b c d^{2} - 15 a b^{2} c^{2} d - 35 b^{3} c^{3} - 56 b^{3} d^{3} x^{3} + x^{2} \left (- 28 a b^{2} d^{3} - 140 b^{3} c d^{2}\right ) + x \left (- 8 a^{2} b d^{3} - 40 a b^{2} c d^{2} - 120 b^{3} c^{2} d\right )}{280 a^{8} b^{4} + 2240 a^{7} b^{5} x + 7840 a^{6} b^{6} x^{2} + 15680 a^{5} b^{7} x^{3} + 19600 a^{4} b^{8} x^{4} + 15680 a^{3} b^{9} x^{5} + 7840 a^{2} b^{10} x^{6} + 2240 a b^{11} x^{7} + 280 b^{12} x^{8}} \]

[In]

integrate((d*x+c)**3/(b*x+a)**9,x)

[Out]

(-a**3*d**3 - 5*a**2*b*c*d**2 - 15*a*b**2*c**2*d - 35*b**3*c**3 - 56*b**3*d**3*x**3 + x**2*(-28*a*b**2*d**3 -
140*b**3*c*d**2) + x*(-8*a**2*b*d**3 - 40*a*b**2*c*d**2 - 120*b**3*c**2*d))/(280*a**8*b**4 + 2240*a**7*b**5*x
+ 7840*a**6*b**6*x**2 + 15680*a**5*b**7*x**3 + 19600*a**4*b**8*x**4 + 15680*a**3*b**9*x**5 + 7840*a**2*b**10*x
**6 + 2240*a*b**11*x**7 + 280*b**12*x**8)

Maxima [B] (verification not implemented)

Leaf count of result is larger than twice the leaf count of optimal. 193 vs. \(2 (84) = 168\).

Time = 0.21 (sec) , antiderivative size = 193, normalized size of antiderivative = 2.10 \[ \int \frac {(c+d x)^3}{(a+b x)^9} \, dx=-\frac {56 \, b^{3} d^{3} x^{3} + 35 \, b^{3} c^{3} + 15 \, a b^{2} c^{2} d + 5 \, a^{2} b c d^{2} + a^{3} d^{3} + 28 \, {\left (5 \, b^{3} c d^{2} + a b^{2} d^{3}\right )} x^{2} + 8 \, {\left (15 \, b^{3} c^{2} d + 5 \, a b^{2} c d^{2} + a^{2} b d^{3}\right )} x}{280 \, {\left (b^{12} x^{8} + 8 \, a b^{11} x^{7} + 28 \, a^{2} b^{10} x^{6} + 56 \, a^{3} b^{9} x^{5} + 70 \, a^{4} b^{8} x^{4} + 56 \, a^{5} b^{7} x^{3} + 28 \, a^{6} b^{6} x^{2} + 8 \, a^{7} b^{5} x + a^{8} b^{4}\right )}} \]

[In]

integrate((d*x+c)^3/(b*x+a)^9,x, algorithm="maxima")

[Out]

-1/280*(56*b^3*d^3*x^3 + 35*b^3*c^3 + 15*a*b^2*c^2*d + 5*a^2*b*c*d^2 + a^3*d^3 + 28*(5*b^3*c*d^2 + a*b^2*d^3)*
x^2 + 8*(15*b^3*c^2*d + 5*a*b^2*c*d^2 + a^2*b*d^3)*x)/(b^12*x^8 + 8*a*b^11*x^7 + 28*a^2*b^10*x^6 + 56*a^3*b^9*
x^5 + 70*a^4*b^8*x^4 + 56*a^5*b^7*x^3 + 28*a^6*b^6*x^2 + 8*a^7*b^5*x + a^8*b^4)

Giac [A] (verification not implemented)

none

Time = 0.29 (sec) , antiderivative size = 114, normalized size of antiderivative = 1.24 \[ \int \frac {(c+d x)^3}{(a+b x)^9} \, dx=-\frac {56 \, b^{3} d^{3} x^{3} + 140 \, b^{3} c d^{2} x^{2} + 28 \, a b^{2} d^{3} x^{2} + 120 \, b^{3} c^{2} d x + 40 \, a b^{2} c d^{2} x + 8 \, a^{2} b d^{3} x + 35 \, b^{3} c^{3} + 15 \, a b^{2} c^{2} d + 5 \, a^{2} b c d^{2} + a^{3} d^{3}}{280 \, {\left (b x + a\right )}^{8} b^{4}} \]

[In]

integrate((d*x+c)^3/(b*x+a)^9,x, algorithm="giac")

[Out]

-1/280*(56*b^3*d^3*x^3 + 140*b^3*c*d^2*x^2 + 28*a*b^2*d^3*x^2 + 120*b^3*c^2*d*x + 40*a*b^2*c*d^2*x + 8*a^2*b*d
^3*x + 35*b^3*c^3 + 15*a*b^2*c^2*d + 5*a^2*b*c*d^2 + a^3*d^3)/((b*x + a)^8*b^4)

Mupad [B] (verification not implemented)

Time = 0.26 (sec) , antiderivative size = 187, normalized size of antiderivative = 2.03 \[ \int \frac {(c+d x)^3}{(a+b x)^9} \, dx=-\frac {\frac {a^3\,d^3+5\,a^2\,b\,c\,d^2+15\,a\,b^2\,c^2\,d+35\,b^3\,c^3}{280\,b^4}+\frac {d^3\,x^3}{5\,b}+\frac {d\,x\,\left (a^2\,d^2+5\,a\,b\,c\,d+15\,b^2\,c^2\right )}{35\,b^3}+\frac {d^2\,x^2\,\left (a\,d+5\,b\,c\right )}{10\,b^2}}{a^8+8\,a^7\,b\,x+28\,a^6\,b^2\,x^2+56\,a^5\,b^3\,x^3+70\,a^4\,b^4\,x^4+56\,a^3\,b^5\,x^5+28\,a^2\,b^6\,x^6+8\,a\,b^7\,x^7+b^8\,x^8} \]

[In]

int((c + d*x)^3/(a + b*x)^9,x)

[Out]

-((a^3*d^3 + 35*b^3*c^3 + 15*a*b^2*c^2*d + 5*a^2*b*c*d^2)/(280*b^4) + (d^3*x^3)/(5*b) + (d*x*(a^2*d^2 + 15*b^2
*c^2 + 5*a*b*c*d))/(35*b^3) + (d^2*x^2*(a*d + 5*b*c))/(10*b^2))/(a^8 + b^8*x^8 + 8*a*b^7*x^7 + 28*a^6*b^2*x^2
+ 56*a^5*b^3*x^3 + 70*a^4*b^4*x^4 + 56*a^3*b^5*x^5 + 28*a^2*b^6*x^6 + 8*a^7*b*x)