MCQ
The multiplicative inverse of $\frac{4}{-5}$ of:
  • A
    $-\frac{4}{5}$
  • B
    $\frac{5}{4}$
  • $\frac{5}{-4}$
  • D
    $​​\frac{-5}{-4}$

Answer

Correct option: C.
$\frac{5}{-4}$

We know that the multiplicative inverse of the rational number $\frac{\text{a}}{\text{b}}\text{ is }\frac{\text{b}}{\text{a}}$
$\therefore$ Multiplicative inverse of $\frac{4}{-5}=\frac{-5}{4}=\frac{5}{-4}$
Hence, the correct answer is option $(c).$

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