Let f: A → B be a one - one function such that range of f is {b}. Determine the no. of elements in A.
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the no. of elements in {b} is the no. of elements in A.
Since, it is one-one fucntion.
One-One function is that function whose domain and range have equal no. of elements as each element of A is connected to only one element of B. Elements of A has only one image in B
Since, it is one-one fucntion.
One-One function is that function whose domain and range have equal no. of elements as each element of A is connected to only one element of B. Elements of A has only one image in B
Kaur000:
Explain it that how u come to this point?
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