CUET Preparation Today
CUET
General Test
Quantitative Reasoning
Algebra
If $x +\frac{1}{x} = 5,$ then the value of $x^2 + \frac{1}{x^2}$ is:
23
25
29
27
If $K+\frac{1}{K}=n$
then, $K^2+\frac{1}{K^2}$ = n2 – 2
If $x +\frac{1}{x} = 5,$
then the value of $x^2 + \frac{1}{x^2}$ = 52 – 2 = 23
