Integrand size = 27, antiderivative size = 77 \[ \int \sqrt {1+\sqrt {x}+\sqrt {1+2 \sqrt {x}+2 x}} \, dx=\frac {2 \sqrt {1+\sqrt {x}+\sqrt {1+2 \sqrt {x}+2 x}} \left (2+\sqrt {x}+6 x^{3/2}-\left (2-\sqrt {x}\right ) \sqrt {1+2 \sqrt {x}+2 x}\right )}{15 \sqrt {x}} \]
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Time = 0.05 (sec) , antiderivative size = 77, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.037, Rules used = {2139} \[ \int \sqrt {1+\sqrt {x}+\sqrt {1+2 \sqrt {x}+2 x}} \, dx=\frac {2 \sqrt {\sqrt {x}+\sqrt {2 x+2 \sqrt {x}+1}+1} \left (6 x^{3/2}+\sqrt {x}-\left (2-\sqrt {x}\right ) \sqrt {2 x+2 \sqrt {x}+1}+2\right )}{15 \sqrt {x}} \]
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Rule 2139
Rubi steps \begin{align*} \text {integral}& = 2 \text {Subst}\left (\int x \sqrt {1+x+\sqrt {1+2 x+2 x^2}} \, dx,x,\sqrt {x}\right ) \\ & = \frac {2 \sqrt {1+\sqrt {x}+\sqrt {1+2 \sqrt {x}+2 x}} \left (2+\sqrt {x}+6 x^{3/2}-\left (2-\sqrt {x}\right ) \sqrt {1+2 \sqrt {x}+2 x}\right )}{15 \sqrt {x}} \\ \end{align*}
Time = 10.03 (sec) , antiderivative size = 74, normalized size of antiderivative = 0.96 \[ \int \sqrt {1+\sqrt {x}+\sqrt {1+2 \sqrt {x}+2 x}} \, dx=\frac {2 \sqrt {1+\sqrt {x}+\sqrt {1+2 \sqrt {x}+2 x}} \left (2+\sqrt {x}+6 x^{3/2}+\left (-2+\sqrt {x}\right ) \sqrt {1+2 \sqrt {x}+2 x}\right )}{15 \sqrt {x}} \]
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\[\int \sqrt {1+\sqrt {x}+\sqrt {1+2 x +2 \sqrt {x}}}d x\]
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none
Time = 0.48 (sec) , antiderivative size = 56, normalized size of antiderivative = 0.73 \[ \int \sqrt {1+\sqrt {x}+\sqrt {1+2 \sqrt {x}+2 x}} \, dx=\frac {2 \, {\left (6 \, x^{2} + \sqrt {2 \, x + 2 \, \sqrt {x} + 1} {\left (x - 2 \, \sqrt {x}\right )} + x + 2 \, \sqrt {x}\right )} \sqrt {\sqrt {2 \, x + 2 \, \sqrt {x} + 1} + \sqrt {x} + 1}}{15 \, x} \]
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\[ \int \sqrt {1+\sqrt {x}+\sqrt {1+2 \sqrt {x}+2 x}} \, dx=\int \sqrt {\sqrt {x} + \sqrt {2 \sqrt {x} + 2 x + 1} + 1}\, dx \]
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\[ \int \sqrt {1+\sqrt {x}+\sqrt {1+2 \sqrt {x}+2 x}} \, dx=\int { \sqrt {\sqrt {2 \, x + 2 \, \sqrt {x} + 1} + \sqrt {x} + 1} \,d x } \]
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\[ \int \sqrt {1+\sqrt {x}+\sqrt {1+2 \sqrt {x}+2 x}} \, dx=\int { \sqrt {\sqrt {2 \, x + 2 \, \sqrt {x} + 1} + \sqrt {x} + 1} \,d x } \]
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Timed out. \[ \int \sqrt {1+\sqrt {x}+\sqrt {1+2 \sqrt {x}+2 x}} \, dx=\int \sqrt {\sqrt {2\,x+2\,\sqrt {x}+1}+\sqrt {x}+1} \,d x \]
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