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A sequence an , n in N be an A.P. such...

A sequence `a_n , n in N` be an A.P. such that `a_7` = 9 and `a_1 a_2 a_7` is least, then the common difference is:

A

`13/20`

B

`23/20`

C

`33/20`

D

`43/20`

Text Solution

Verified by Experts

The correct Answer is:
C
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