Question

defition of one-one function?

Answer 1

u need definition for which class?

Answer 2

upto college b.sc., level.

Answer 3

Let f be a function whose domain is a set A. The function f is injective if for all a and b in A, if f(a) = f(b), then a = b; that is, f(a) = f(b) implies a = b. Equivalently, if a ≠ b, then f(a) ≠ f(b)...