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Let S(1) , S(2), S(3), be the respective...

Let `S_(1) , S_(2), S_(3)`, be the respective sums of first n, 2n and 3n. terms of the same arithmetic progression with a as the first term and d as the common difference. If R=`S_(3)-S_(2)-S_(1)` then R depends on

A

a and d

B

d and n

C

a and n

D

a, d and n

Text Solution

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The correct Answer is:
B
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