Question

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Answer 1

Step-by-step explanation:

Q1. The multiplicative identity of rational

number is 1.

The additive identity of rational number is 0.

Q2. The additive inverse of

13/-6 is 13/6

-2/3 is 2/3.

Q3. The multiplicative inverse of

-13/19 is 1/-13/19

-7 is -1/3

Q4. 0

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Answer 2

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Q1 - What are the multiplicative and Additive identies of rational numbers.

Ans - The multiplicative identity is 1 & the additive identity is 0.

Q2 - Write the additive inverse of 19/-6 & -2/3.

Ans - The additive inverse of 19/-6 is 19/6 & for -2/3 is 2/3.

Q3 - Write the multiplicative inverse of -13/9 & -7.

Ans - The multiplicative inverse of -13/9 is -9/13 and for -7 is -1/7

Q4 - Mention a rational number which has no reciprocal.

Ans - 0 is a rational number which has no reciprocal.

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