x+1/x=3 then x^3+1/x^3=18 is this correct or not
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no,answer is wrong
because x=3
then x^3=3^3
=27+1/3^3
=28/27
hence, answer will come in Decimal...
because x=3
then x^3=3^3
=27+1/3^3
=28/27
hence, answer will come in Decimal...
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