SOLUTION: if (x-(1/x))=3 find the value of (x^3-(1/x^3))
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Question 763384: if (x-(1/x))=3 find the value of (x^3-(1/x^3))
Answer by ramkikk66(644) (Show Source): You can put this solution on YOUR website!
We will use the identity
------- (1)
But by the identity (1),
------- (2)
Substituting for (x - 1/x) as 3
------- (3) ---> x*1/x = 1
------ (4)
So,
:)
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