2. Questions Bank
  3. 12th Class
  4. Mathematics
  5. Relations and Functions

12th Class Mathematics Relations and Functions Question Bank Case Based (MCQs) - Relations and Functions

  • question_answer
    Let \[f\,\,:\,\,N\,\,\to \,\,N\] be defined by \[f\left( x \right)={{x}^{2}}\] is

    A) Surjective but not Injective

    B) Surjective

    C) Injective

    D) Bijective

    Correct Answer: C

    Solution :

    For \[x\in N,\,\,y\in N\] image is unique for every object \[\therefore \,\,\,f\left( x \right)\]is one - one (Injective).


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