If the sum of \[n\] terms of an A.P. is \[nA+{{n}^{2}}B\], where \[A,B\] are constants, then its common difference will be [MNR 1977]

If the sum of \[n\] terms of an A.P. is \[nA+{{n}^{2}}B\], where \[A,B

1.	If the sum of \[n\] terms of an A.P. is \[nA+{{n}^{2}}B\], where \[A,B\] are constants, then its common difference will be [MNR 1977]
A.	\[A-B\]
B.	\[A+B\]
C.	\[2A\]
D.	\[2B\]
Answer» E.

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If the sum of \[n\] terms of an A.P. is \[nA+{{n}^{2}}B\], where \[A,B\] are constants, then its common difference will be [MNR 1977]

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