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Question

Find the multiplicative inverse or reciprocal of each of the following:
$$-16$$


Solution

Multiplicative inverse of a number is a number which when multiplied by given number yields in a result of $$1$$.
So, for real numbers except $$0$$,
Multiplicative inverse or reciprocal of a number $$x$$ is given by$$\cfrac1x$$, because $$x\times \cfrac1x=1$$
$$\therefore$$ Reciprocal of $$-16$$ is $$\cfrac1{-16}$$, which can also be written as $$\cfrac{-1}{16}$$

Mathematics

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