If x^2+1 x^2 =79 than x+1 x +_____ - Vidyadip

MCQ

If $\text{x}^2+\frac{1}{\text{x}^2}=79$ than $\text{x}+\frac{1}{\text{x}}+\text{_____}$

A
Both
B
$\sqrt{75}$
✓
$9$
D
None of these

✓

Answer

Correct option: C.

$9$

$9$

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