Let f : N `to N : f(x) =2 x` for all `x in N`
Show that f is one -one and into.

Let f : N rarr N be defined as f(x) = 2x for all x in N , then f is

Let f : N rarr N be defined as f(x) = 2x for all x in N , then f is

Let f: Rrarr R be defined as f(x) = 2x for all x in N , then f is

Let A be the set of all 50 students of class XII in a central school.Let f:A rarr N be a function defined by f(x)= Roll number of student x Show that f is one-one but not onto.

Let f: N to N be defined by f(x) = x-(1)^(x) AA x in N , Then f is

Let A be the set of all 50 students of class X I I in a central school. Let f: A->N be a function defined by f(x)=Roll number of student x Show that f is one-one but not onto.

Show that the function (i) f : N to N : f(x) = x^(3) is one -one into (ii) f : Z to Z : f(x) = x^(3) is one-one into

Let A be the set of all 50 students of class XII in a central school.Let f:A rarr N be a function defined by f(x)= Roll number of student x Show that f is one-one but not onto

Let A be the set of all 50 students of class XII in a central school. Let f: A->N be a function defined by f(x) =Roll number of student x . Show that f is one-one but not onto

Let f : N rarr N be defined by f (X) = x + 3 for all x in N, obtain f^-1 (1,2,3,)