What is the additive identity of rational number?

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0

1

- 1

2

answer is A.

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Detailed Solution

To find the additive identity of a rational number.
The set of rational numbers forms a group with respect to the addition of rational number in which the additive identity is

0

.
As

a + 0 = 0 + a = a

for all rational

a

.
So, the additive identity is

0

.
Hence option 1 is correct.

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