If (x+1 x )=3, then (x^2+1 x^2 ) is equal to - Vidyadip

MCQ

If $\left(x+\frac{1}{x}\right)=3$, then $\left(x^2+\frac{1}{x^2}\right)$ is equal to

A
$\frac{10}{3}$
B
$\frac{82}{9}$
✓
7
D
11

✓

Answer

Correct option: C.

7

C

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