pls help me with this
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see.........
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( x + 1/x ) ^3 = 18 ^ 3
x^3 + 1/x^3 + 3* (x)(1/x)+(x + 1/x) = 5832
x^3 + 1/x^3 + 3+x^2/x = 5832
x^3 + 1/x^3 = 5829
x^3 + 1/x^3 + 3* (x)(1/x)+(x + 1/x) = 5832
x^3 + 1/x^3 + 3+x^2/x = 5832
x^3 + 1/x^3 = 5829
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