3.4 \(\int -2 \, dx\)

Optimal. Leaf size=3 \[ -2 x \]

[Out]

-2*x

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Rubi [A]  time = 0.00261618, antiderivative size = 3, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 1, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 1. \[ -2 x \]

Antiderivative was successfully verified.

[In]  Int[-2,x]

[Out]

-2*x

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Rubi in Sympy [A]  time = 0.019963, size = 3, normalized size = 1. \[ - 2 x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  rubi_integrate(-2,x)

[Out]

-2*x

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Mathematica [A]  time = 0.0000262386, size = 3, normalized size = 1. \[ -2 x \]

Antiderivative was successfully verified.

[In]  Integrate[-2,x]

[Out]

-2*x

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Maple [A]  time = 0.001, size = 4, normalized size = 1.3 \[ -2\,x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  int(-2,x)

[Out]

-2*x

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Maxima [A]  time = 1.31337, size = 4, normalized size = 1.33 \[ -2 \, x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(-2,x, algorithm="maxima")

[Out]

-2*x

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Fricas [A]  time = 0.172101, size = 1, normalized size = 0.33 \[ -2 x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(-2,x, algorithm="fricas")

[Out]

-2*x

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Sympy [A]  time = 0.017666, size = 3, normalized size = 1. \[ - 2 x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(-2,x)

[Out]

-2*x

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GIAC/XCAS [A]  time = 0.207406, size = 4, normalized size = 1.33 \[ -2 \, x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(-2,x, algorithm="giac")

[Out]

-2*x