Five marks exercise problems XXI — task. Maths TNSB Mentoring, Class 9.

If \(x = \sqrt{5} + 2\), then find the value of

x^{2} + \frac{1}{x^{2}}

x^{2} + \frac{1}{x^{2}}

\(=\)

Did you find an error?

8. Five marks exercise problems XXI