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The multiplicative inverse of ........ and ......... are the numbers themselves.

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1,0

-1,1

-1,0

0,1

answer is B.

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Detailed Solution

Concept- Find the multiplicative inverse and then compare with the options.
The multiplicative inverse of 1 is

\frac{1}{1}

=1
and
−1 is

\frac{- 1}{1}

= −1,
which is the number itself.
Thus, the multiplicative inverse of 1 and −1 are the numbers themselves.
Hence, the correct option is 2.

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