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If x+1/x =83 then x^3 -1/x^3 …

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If x+1/x =83 then x^3 -1/x^3 =?
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Abhishek Kumar 5 years, 1 month ago

x+1/x=83 Cube on both side x^3+1/x^3+3(x+1/x)=83^3 x^3+1/x^3+3(83)=279 x^3+1/x^3=279-279 X^3+1/x^3=1
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