(b)For any rational number ‘a’, if a x 1 = a, then 1 is called the ________.
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Multiplicative Identity
For any rational number 'a', if a × 1 = a, then 1 is called the multiplicative identity.
Multiplicative Identity:
The multiplicative identity is defined to be a number which when multiplied by another number or multiplied with another number, gives the same number as the result.
That is, a × b = b × a = a, where b is the multiplicative identity.
However, for our purpose, 1 is the multiplicative identity because when 'a' is multiplied by 1, 'a' is the result itself.
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Step-by-step explanation:
for any rational number a,if a x 1 = is called the answer
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