MCQ
If $x+\frac{1}{x}=5$, then $x \quad \frac{1}{x}=$
- ✓$\pm \sqrt{21}$
- B$\pm \sqrt{29}$
- C$\pm 3$
- D$\pm 2$
✓
Answer
Correct option: A.
$\pm \sqrt{21}$
A
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