IIT JAM Follow
September 21, 2020 9:18 pm 30 pts
B0 Let Z denote the set of integers and Z>o de- note the set {0,1, 2, 3,... Consider the map f:Z>oxZ Z given by f(m, n) = 2".(2n+1). Then the map f is (a) onto (surjective) but not one-onme (injective) (b) one-one (injective) but not onto (surjective) (c) both one-one and onto (d) neither one-one nor onto
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• Deepak singh
option b is correct , if any doubt then ask