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August 25th, 2017, 03:10 AM   #1
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Why Wolfram consider (-1+x)^2/3 positive only after x=1?

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$\displaystyle (-1+x)^2/3$ shouldn't be always positive when x$\small\,\ne$1?

Last edited by skipjack; August 25th, 2017 at 06:10 AM.
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August 25th, 2017, 06:06 AM   #2
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Did you mean $(-1 + x)^{2/3}$?
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August 25th, 2017, 06:40 AM   #3
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