Optimal. Leaf size=17 \[ -\frac {\sqrt {2-b x}}{\sqrt {x}} \]
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Rubi [A]
time = 0.00, antiderivative size = 17, normalized size of antiderivative = 1.00, number of steps
used = 1, number of rules used = 1, integrand size = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.062, Rules used = {37}
\begin {gather*} -\frac {\sqrt {2-b x}}{\sqrt {x}} \end {gather*}
Antiderivative was successfully verified.
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Rule 37
Rubi steps
\begin {align*} \int \frac {1}{x^{3/2} \sqrt {2-b x}} \, dx &=-\frac {\sqrt {2-b x}}{\sqrt {x}}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 17, normalized size = 1.00 \begin {gather*} -\frac {\sqrt {2-b x}}{\sqrt {x}} \end {gather*}
Antiderivative was successfully verified.
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Mathics [C] Result contains higher order function than in optimal. Order 9 vs. order 2 in
optimal.
time = 2.16, size = 45, normalized size = 2.65 \begin {gather*} \text {Piecewise}\left [\left \{\left \{-\sqrt {b} \sqrt {-1+\frac {2}{b x}},\frac {1}{\text {Abs}\left [b x\right ]}>\frac {1}{2}\right \}\right \},-I \sqrt {b} \sqrt {1-\frac {2}{b x}}\right ] \end {gather*}
Warning: Unable to verify antiderivative.
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Maple [A]
time = 0.11, size = 14, normalized size = 0.82
method | result | size |
gosper | \(-\frac {\sqrt {-b x +2}}{\sqrt {x}}\) | \(14\) |
default | \(-\frac {\sqrt {-b x +2}}{\sqrt {x}}\) | \(14\) |
meijerg | \(-\frac {\sqrt {2}\, \sqrt {-\frac {b x}{2}+1}}{\sqrt {x}}\) | \(17\) |
risch | \(\frac {\left (b x -2\right ) \sqrt {\left (-b x +2\right ) x}}{\sqrt {-x \left (b x -2\right )}\, \sqrt {x}\, \sqrt {-b x +2}}\) | \(38\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.26, size = 13, normalized size = 0.76 \begin {gather*} -\frac {\sqrt {-b x + 2}}{\sqrt {x}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.31, size = 13, normalized size = 0.76 \begin {gather*} -\frac {\sqrt {-b x + 2}}{\sqrt {x}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.50, size = 41, normalized size = 2.41 \begin {gather*} \begin {cases} - \sqrt {b} \sqrt {-1 + \frac {2}{b x}} & \text {for}\: \frac {1}{\left |{b x}\right |} > \frac {1}{2} \\- i \sqrt {b} \sqrt {1 - \frac {2}{b x}} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 33 vs.
\(2 (13) = 26\).
time = 0.00, size = 39, normalized size = 2.29 \begin {gather*} \frac {8 \sqrt {-b}}{2 \left (\left (\sqrt {-b x+2}-\sqrt {-b} \sqrt {x}\right )^{2}-2\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.31, size = 13, normalized size = 0.76 \begin {gather*} -\frac {\sqrt {2-b\,x}}{\sqrt {x}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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