3
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________________
/ 2
\/ 1 - (1 - 3*x)
$$\frac{3}{\sqrt{- \left(- 3 x + 1\right)^{2} + 1}}$$
9*(-1 + 3*x)
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3/2
/ 2\
\1 - (1 - 3*x) /
$$\frac{27 x - 9}{\left(- \left(- 3 x + 1\right)^{2} + 1\right)^{\frac{3}{2}}}$$
/ 2 \
| 3*(-1 + 3*x) |
27*|1 + --------------|
| 2|
\ 1 - (1 - 3*x) /
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3/2
/ 2\
\1 - (1 - 3*x) /
$$\frac{\frac{81 \left(3 x - 1\right)^{2}}{- \left(- 3 x + 1\right)^{2} + 1} + 27}{\left(- \left(- 3 x + 1\right)^{2} + 1\right)^{\frac{3}{2}}}$$