x-1/3=3,find the value of x^3-1/x^3
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x-1/x=3
cubing both sides
(x-1/x)3=3cube
x3-1/x3-3×3 =27
x3-1/x3=27+9
=36
cubing both sides
(x-1/x)3=3cube
x3-1/x3-3×3 =27
x3-1/x3=27+9
=36
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