Question

write the multiplicative inverse of the following: -1x-2/5​

Answer 1

SOLUTION

TO DETERMINE

The multiplicative inverse of

$\displaystyle\sf{ - 1 \times - \frac{2}{5} }$

EVALUATION

Here the given number is. $\displaystyle\sf{ - 1 \times - \frac{2}{5} }$

Now

$\displaystyle\sf{ - 1 \times - \frac{2}{5} }$

$\displaystyle\sf{ = \frac{2}{5} }$

We know that the multiplicative inverse of a ( ≠ 0 ) is $\displaystyle\sf{ = \frac{1}{a} }$

Hence the required multiplicative inverse

$\displaystyle\sf{ = \frac{1}{ \frac{2}{5} } }$

$\displaystyle\sf{ = \frac{5}{2} }$

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