Solve quickly plz!!!!
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hey frnd..............
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x+1/x=a
(x+1/x)^3=x^3+1/x^3+3(x+1/x)
a^3=x^3+1/x^3+3a
a^3-3a=x^3+1/x^3
(x+1/x)^3=x^3+1/x^3+3(x+1/x)
a^3=x^3+1/x^3+3a
a^3-3a=x^3+1/x^3
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