why zero is called as identity for the additional of rational numbers? and
also why it is also a additive identity of whole numbers and integers?
one thing i know about zero is , if it is used as an operation to any number , the result is the same number ex: in add, subtraction
ex: a+0 = 0+a = a
these points u have read in cbse 8th class ,
can anyone clear this point pls
a +0 = 0+a = a is exactly why 0 is additive identify for whole numbers, integers and rational numbers.
Similarly, 1 is the multiplicative identiy. a * 1 = 1 * a = a.
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