If x − 1/x = √5 , find the values of (i) (x)^2 + 1/(x)^2 (ii) x + 1/x (iii) (x)^3 + 1/(x)^3

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(i) We know that, Substituting values we get, Hence, = 7. (ii) We know that, Substituting values we get, Hence, (iii) We know that, When . Substituting values we get, When . Substituting values we get, Hence, .

Mathematics

If x − 1/x = √5 , find the values of (i) (x)^2 + 1/(x)^2 (ii) x + 1/x (iii) (x)^3 + 1/(x)^3

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