MCQ
$\left(\frac{-3}{7}\right)^{-1}=?$
- A$\frac{7}{3}$
- ✓$\frac{-7}{3}$
- C$\frac{3}{7}$
- Dnone of these
✓
Answer
Correct option: B.
$\frac{-7}{3}$
B
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