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If S(n), denotes the sum of first n term...

If `S_(n)`, denotes the sum of first n terms of a A.P. then `(S_(3n)-S_(n-1))/(S_(2n)-S_(2n-1))` is always equal to

A

2n

B

2n +1

C

2n-1

D

None of these

Text Solution

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The correct Answer is:
B
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