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Question

is the multiplicative identity of rational numbers.

A
0.0
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B
-1
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C
1
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D
2
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Solution

The correct option is C 1
1 is the multiplicative identity of rational numbers.
Multiplicative identity of a ratioanl number is that number, which when multiplied with the rational number, gives the same number as the product.
i.e., pq×1=pq
Hence, 1 is the multiplicative identity of any rational number.


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