3.13.43 \(\int \frac {c+d x}{(a+b x)^3} \, dx\) [1243]

Optimal. Leaf size=28 \[ -\frac {(c+d x)^2}{2 (b c-a d) (a+b x)^2} \]

[Out]

-1/2*(d*x+c)^2/(-a*d+b*c)/(b*x+a)^2

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Rubi [A]
time = 0.00, antiderivative size = 28, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {37} \begin {gather*} -\frac {(c+d x)^2}{2 (a+b x)^2 (b c-a d)} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(c + d*x)/(a + b*x)^3,x]

[Out]

-1/2*(c + d*x)^2/((b*c - a*d)*(a + b*x)^2)

Rule 37

Int[((a_.) + (b_.)*(x_))^(m_.)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[(a + b*x)^(m + 1)*((c + d*x)^(n +
1)/((b*c - a*d)*(m + 1))), x] /; FreeQ[{a, b, c, d, m, n}, x] && NeQ[b*c - a*d, 0] && EqQ[m + n + 2, 0] && NeQ
[m, -1]

Rubi steps

\begin {align*} \int \frac {c+d x}{(a+b x)^3} \, dx &=-\frac {(c+d x)^2}{2 (b c-a d) (a+b x)^2}\\ \end {align*}

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Mathematica [A]
time = 0.01, size = 26, normalized size = 0.93 \begin {gather*} -\frac {a d+b (c+2 d x)}{2 b^2 (a+b x)^2} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(c + d*x)/(a + b*x)^3,x]

[Out]

-1/2*(a*d + b*(c + 2*d*x))/(b^2*(a + b*x)^2)

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Mathics [A]
time = 1.86, size = 37, normalized size = 1.32 \begin {gather*} \frac {-a d-b c-2 b d x}{2 b^2 \left (a^2+2 a b x+b^2 x^2\right )} \end {gather*}

Antiderivative was successfully verified.

[In]

mathics('Integrate[(c + d*x)/(a + b*x)^3,x]')

[Out]

(-a d - b c - 2 b d x) / (2 b ^ 2 (a ^ 2 + 2 a b x + b ^ 2 x ^ 2))

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Maple [A]
time = 0.12, size = 35, normalized size = 1.25

method	result	size
gosper	\(-\frac {2 b d x +a d +b c}{2 \left (b x +a \right )^{2} b^{2}}\)	\(25\)
risch	\(\frac {-\frac {d x}{b}-\frac {a d +b c}{2 b^{2}}}{\left (b x +a \right )^{2}}\)	\(29\)
norman	\(\frac {-\frac {d x}{b}+\frac {-a d -b c}{2 b^{2}}}{\left (b x +a \right )^{2}}\)	\(31\)
default	\(-\frac {d}{b^{2} \left (b x +a \right )}-\frac {-a d +b c}{2 b^{2} \left (b x +a \right )^{2}}\)	\(35\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

-d/b^2/(b*x+a)-1/2*(-a*d+b*c)/b^2/(b*x+a)^2

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Maxima [A]
time = 0.27, size = 38, normalized size = 1.36 \begin {gather*} -\frac {2 \, b d x + b c + a d}{2 \, {\left (b^{4} x^{2} + 2 \, a b^{3} x + a^{2} b^{2}\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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Fricas [A]
time = 0.30, size = 38, normalized size = 1.36 \begin {gather*} -\frac {2 \, b d x + b c + a d}{2 \, {\left (b^{4} x^{2} + 2 \, a b^{3} x + a^{2} b^{2}\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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Sympy [A]
time = 0.15, size = 39, normalized size = 1.39 \begin {gather*} \frac {- a d - b c - 2 b d x}{2 a^{2} b^{2} + 4 a b^{3} x + 2 b^{4} x^{2}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

(-a*d - b*c - 2*b*d*x)/(2*a**2*b**2 + 4*a*b**3*x + 2*b**4*x**2)

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Giac [A]
time = 0.00, size = 29, normalized size = 1.04 \begin {gather*} \frac {-2 x d b-d a-c b}{2 b^{2} \left (x b+a\right )^{2}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

-1/2*(2*b*d*x + b*c + a*d)/((b*x + a)^2*b^2)

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Mupad [B]
time = 0.16, size = 39, normalized size = 1.39 \begin {gather*} -\frac {\frac {a\,d+b\,c}{2\,b^2}+\frac {d\,x}{b}}{a^2+2\,a\,b\,x+b^2\,x^2} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((c + d*x)/(a + b*x)^3,x)

[Out]

-((a*d + b*c)/(2*b^2) + (d*x)/b)/(a^2 + b^2*x^2 + 2*a*b*x)

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