Why is 0 included in the range? There could be only the number √-1 in domain to satisfy this. And √-1 is not possible as x belongs to R
Hi Rishabh, Putting x = 0 in x2 / x2 + 1 We get 02 / 02 + 1 = 0/1 = 0
That is why 0 is in the range
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