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If the sum of n terms of an A.P. is (pn+...

If the sum of n terms of an A.P. is `(pn+qn^(2)),` where p and q are constants, find the common difference.

A

`2Q`

B

`P + Q`

C

2P

D

`P - Q`

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A
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Knowledge Check

  • If the sum of the first n terms of an A.P. is pn+ qn^(2) then its common difference is

    A
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    B
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    B
    a = d
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