Practicing Success
If x + \(\frac{1}{x}\) = 23 then find the value of x2 + \(\frac{1}{x^2}\) |
555 525 527 530 |
527 |
⇒ If x + \(\frac{1}{x}\) = a then x2 + \(\frac{1}{x^2}\) = a2 -2 Here, x + \(\frac{1}{x}\) = 23, then ⇒ x2 + \(\frac{1}{x^2}\) = 232 - 2 = 527 |