MCQ
$(125)^{-\frac{1}{3}}=?$
- ✓$\frac{1}{5}$
- B$-\frac{1}{5}$
- C$-5$
- D$5$
✓
Answer
Correct option: A.
$\frac{1}{5}$
$(125)^{-\frac{1}{3}}$
$=(5^3)^{-\frac{1}{3}}$
$=5^{-1}$
$=\frac{1}{5}$
$=(5^3)^{-\frac{1}{3}}$
$=5^{-1}$
$=\frac{1}{5}$
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