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  3. 11th Class
  4. Mathematics

11th Class Mathematics Sample Paper Mathematics Sample Paper-3

  • question_answer
    If the sum of n terms of an AP is given by \[{{S}_{n}}=3n+2{{n}^{2}}\] then the common difference of the AP is

    A)  3            

    B)         2            

    C)  6                    

    D)  4

    Correct Answer: D

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