Optimal. Leaf size=3 \[ -2 x \]
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Rubi [A] time = 0.00, antiderivative size = 3, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, integrand size = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 1.000, Rules used = {8} \[ -2 x \]
Antiderivative was successfully verified.
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Rule 8
Rubi steps
\begin {align*} \int -2 \, dx &=-2 x\\ \end {align*}
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Mathematica [A] time = 0.00, size = 3, normalized size = 1.00 \[ -2 x \]
Antiderivative was successfully verified.
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fricas [A] time = 0.35, size = 3, normalized size = 1.00 \[ -2 x \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.11, size = 3, normalized size = 1.00 \[ -2 \, x \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 4, normalized size = 1.33 \[ -2 x \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.42, size = 3, normalized size = 1.00 \[ -2 \, x \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.00, size = 3, normalized size = 1.00 \[ -2\,x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.02, size = 3, normalized size = 1.00 \[ - 2 x \]
Verification of antiderivative is not currently implemented for this CAS.
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