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Please help me to solve the differential equation $$y''=\frac{1}{y^2}$$

Thank you very much!

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    Try a solution of the form $y=at^b$, where $a$ and $b$ are constants. Use the diffeq to find $a$ and $b$. The solution can then be generalized by the substitution $t\rightarrow t+c$.2012-10-03

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