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Exponents and Powers — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSExponents and Powers1 Mark
MCQ
Tick $(\checkmark)$ the correct answer the following : $\Big(\frac{-5}{3}\Big)^{-1}=\ ?$
  • A
    $\frac{5}{3}$
  • B
    $\frac{3}{5}$
  • ✓
    $\frac{-3}{5}$
  • D
    None of these.
✓

Answer

Correct option: C.
$\frac{-3}{5}$
$\Big(\frac{-5}{3}\Big)^{-1}=\Big(\frac{-3}{5}\Big)^{1}$
$=\frac{-3}{5}\ \bigg\{\because\Big(\frac{1}{\text{x}}\Big)^{-\text{m}}=\text{x}^\text{m}\bigg\}$

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