Integrand size = 15, antiderivative size = 40 \[ \int \frac {a+b x}{\sqrt {c+d x}} \, dx=-\frac {2 (b c-a d) \sqrt {c+d x}}{d^2}+\frac {2 b (c+d x)^{3/2}}{3 d^2} \]
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Time = 0.01 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {45} \[ \int \frac {a+b x}{\sqrt {c+d x}} \, dx=\frac {2 b (c+d x)^{3/2}}{3 d^2}-\frac {2 \sqrt {c+d x} (b c-a d)}{d^2} \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {-b c+a d}{d \sqrt {c+d x}}+\frac {b \sqrt {c+d x}}{d}\right ) \, dx \\ & = -\frac {2 (b c-a d) \sqrt {c+d x}}{d^2}+\frac {2 b (c+d x)^{3/2}}{3 d^2} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.72 \[ \int \frac {a+b x}{\sqrt {c+d x}} \, dx=\frac {2 \sqrt {c+d x} (-2 b c+3 a d+b d x)}{3 d^2} \]
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Time = 0.23 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.65
method | result | size |
gosper | \(\frac {2 \sqrt {d x +c}\, \left (b d x +3 a d -2 b c \right )}{3 d^{2}}\) | \(26\) |
trager | \(\frac {2 \sqrt {d x +c}\, \left (b d x +3 a d -2 b c \right )}{3 d^{2}}\) | \(26\) |
risch | \(\frac {2 \sqrt {d x +c}\, \left (b d x +3 a d -2 b c \right )}{3 d^{2}}\) | \(26\) |
pseudoelliptic | \(\frac {2 \sqrt {d x +c}\, \left (\left (\frac {b x}{3}+a \right ) d -\frac {2 b c}{3}\right )}{d^{2}}\) | \(26\) |
derivativedivides | \(\frac {\frac {2 b \left (d x +c \right )^{\frac {3}{2}}}{3}+2 \sqrt {d x +c}\, a d -2 \sqrt {d x +c}\, b c}{d^{2}}\) | \(38\) |
default | \(\frac {\frac {2 b \left (d x +c \right )^{\frac {3}{2}}}{3}+2 \sqrt {d x +c}\, a d -2 \sqrt {d x +c}\, b c}{d^{2}}\) | \(38\) |
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Time = 0.21 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.62 \[ \int \frac {a+b x}{\sqrt {c+d x}} \, dx=\frac {2 \, {\left (b d x - 2 \, b c + 3 \, a d\right )} \sqrt {d x + c}}{3 \, d^{2}} \]
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Time = 0.49 (sec) , antiderivative size = 53, normalized size of antiderivative = 1.32 \[ \int \frac {a+b x}{\sqrt {c+d x}} \, dx=\begin {cases} \frac {2 a \sqrt {c + d x} + \frac {2 b \left (- c \sqrt {c + d x} + \frac {\left (c + d x\right )^{\frac {3}{2}}}{3}\right )}{d}}{d} & \text {for}\: d \neq 0 \\\frac {a x + \frac {b x^{2}}{2}}{\sqrt {c}} & \text {otherwise} \end {cases} \]
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none
Time = 0.20 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.98 \[ \int \frac {a+b x}{\sqrt {c+d x}} \, dx=\frac {2 \, {\left (3 \, \sqrt {d x + c} a + \frac {{\left ({\left (d x + c\right )}^{\frac {3}{2}} - 3 \, \sqrt {d x + c} c\right )} b}{d}\right )}}{3 \, d} \]
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Time = 0.31 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.98 \[ \int \frac {a+b x}{\sqrt {c+d x}} \, dx=\frac {2 \, {\left (3 \, \sqrt {d x + c} a + \frac {{\left ({\left (d x + c\right )}^{\frac {3}{2}} - 3 \, \sqrt {d x + c} c\right )} b}{d}\right )}}{3 \, d} \]
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Time = 0.04 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.70 \[ \int \frac {a+b x}{\sqrt {c+d x}} \, dx=\frac {2\,\sqrt {c+d\,x}\,\left (3\,a\,d-3\,b\,c+b\,\left (c+d\,x\right )\right )}{3\,d^2} \]
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