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if-x-3-1-x-3-81-then-find-x-6-1-x-5-5x-




Question Number 171998 by Mikenice last updated on 23/Jun/22
if  x^3 +(1/x^3 )=81, then find   ((x^6 +1)/(x^5 +5x))
$${if} \\ $$$${x}^{\mathrm{3}} +\frac{\mathrm{1}}{{x}^{\mathrm{3}} }=\mathrm{81},\:{then}\:{find}\: \\ $$$$\frac{{x}^{\mathrm{6}} +\mathrm{1}}{{x}^{\mathrm{5}} +\mathrm{5}{x}} \\ $$

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