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# Properties of Rational Numbers - The Role of 1

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#### notes

For example :
5 × 1 = 5 = 1 × 5 (Multiplication of 1 with a whole number)
 -2/7 xx 1 = -2/7
You will find that when you multiply any rational number with 1, you get back the same rational number as the product.
We say that 1 is the multiplicative identity for rational numbers.

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Role of one [00:04:19]
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