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ramesh

· started a discussion

· 1 Months ago

please explain clearly....
many places you replaced squre to cube

Question:
If x – \(\cfrac{1}{x}\) = 3, then the value of \({x^3 - \cfrac{1}{x^3}}\)  is –
Options:
A) \(39\)
B) \(36\)
C) \(40\)
D) \(43\)
Solution:
Ans: (b)


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