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Let f:N->N be defined by f(x)=x^2+x...

Let `f:N->N` be defined by `f(x)=x^2+x+1,x in N`. Then is `f` is

A

One-one onto

B

Mny one onyo

C

One-one but not onto

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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