. If x-1/x=3 find the value of x^3-1/x^3
Best Answer
Explanation:
We know that, a3-b3=(a-b)3+3ab(a-b)
Thus, here, put a = x, and b = (1/x)
Substituting these values we get,
x3-1/x3=(x-1/2)3+3(x-1/x)
=33+3(3)
=27+9
Final Answer:
Thus, the final value equals 36
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