The common difference of an A.P., the sum of whose n terms is Sn, is – McqOptions

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1.	The common difference of an A.P., the sum of whose n terms is Sn, is
A.	n - 2Sn - 1 + Sn - 2
B.	n - 2Sn - 1 - Sn - 2
C.	n - Sn - 2
D.	n - Sn - 1
Answer» B. n - 2Sn - 1 - Sn - 2

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