3.13.52 \(\int \frac {1}{(c+d x)^3} \, dx\)

Optimal. Leaf size=14 \[ -\frac {1}{2 d (c+d x)^2} \]

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Rubi [A]  time = 0.00, antiderivative size = 14, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, integrand size = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {32} \begin {gather*} -\frac {1}{2 d (c+d x)^2} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(c + d*x)^(-3),x]

[Out]

-1/(2*d*(c + d*x)^2)

Rule 32

Int[((a_.) + (b_.)*(x_))^(m_), x_Symbol] :> Simp[(a + b*x)^(m + 1)/(b*(m + 1)), x] /; FreeQ[{a, b, m}, x] && N
eQ[m, -1]

Rubi steps

\begin {align*} \int \frac {1}{(c+d x)^3} \, dx &=-\frac {1}{2 d (c+d x)^2}\\ \end {align*}

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Mathematica [A]  time = 0.00, size = 14, normalized size = 1.00 \begin {gather*} -\frac {1}{2 d (c+d x)^2} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(c + d*x)^(-3),x]

[Out]

-1/2*1/(d*(c + d*x)^2)

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IntegrateAlgebraic [F]  time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {1}{(c+d x)^3} \, dx \end {gather*}

Verification is not applicable to the result.

[In]

IntegrateAlgebraic[(c + d*x)^(-3),x]

[Out]

IntegrateAlgebraic[(c + d*x)^(-3), x]

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fricas [A]  time = 1.24, size = 24, normalized size = 1.71 \begin {gather*} -\frac {1}{2 \, {\left (d^{3} x^{2} + 2 \, c d^{2} x + c^{2} d\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(d*x+c)^3,x, algorithm="fricas")

[Out]

-1/2/(d^3*x^2 + 2*c*d^2*x + c^2*d)

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giac [A]  time = 1.20, size = 12, normalized size = 0.86 \begin {gather*} -\frac {1}{2 \, {\left (d x + c\right )}^{2} d} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(d*x+c)^3,x, algorithm="giac")

[Out]

-1/2/((d*x + c)^2*d)

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maple [A]  time = 0.00, size = 13, normalized size = 0.93 \begin {gather*} -\frac {1}{2 \left (d x +c \right )^{2} d} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/(d*x+c)^3,x)

[Out]

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

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maxima [A]  time = 1.34, size = 12, normalized size = 0.86 \begin {gather*} -\frac {1}{2 \, {\left (d x + c\right )}^{2} d} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(d*x+c)^3,x, algorithm="maxima")

[Out]

-1/2/((d*x + c)^2*d)

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mupad [B]  time = 0.02, size = 26, normalized size = 1.86 \begin {gather*} -\frac {1}{2\,c^2\,d+4\,c\,d^2\,x+2\,d^3\,x^2} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/(c + d*x)^3,x)

[Out]

-1/(2*c^2*d + 2*d^3*x^2 + 4*c*d^2*x)

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sympy [B]  time = 0.18, size = 26, normalized size = 1.86 \begin {gather*} - \frac {1}{2 c^{2} d + 4 c d^{2} x + 2 d^{3} x^{2}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(d*x+c)**3,x)

[Out]

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

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