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Q.

What is the additive identity element in the set of whole numbers?


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a

Question Image

b

Question Image

c

Question Image

d

None of these

answer is A.

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Detailed Solution

Concept- The number that, when added to another number, yields the same number is said to have additive identity.
Let, the additive identity element be Question Image,
Then according to the question,
Question Image, Here Question Image is the number which by adding with the additive identity element remains the same.
Now, Question ImageQuestion ImageIt implies that zero is the number which can be added to any number and gives the same number.
For example: Question ImageHence, the correct answer is option 1.
 
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What is the additive identity element in the set of whole numbers?