What is the identity element for addition?
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Answer:The element of a set of numbers that when combined with another number in a particular operation leaves that number unchanged. For example, 0 is the identity element under addition for the real numbers, since if a is any real number, a + 0 = 0 + a = a.
so its 0
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0. is the right answer.
It is the identity element for addition. the element is the set of numbers when combined to the another number leaves the no. unchanged.
EXAMPLE : - a + 0 = a + 0 = a
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