माना a(1),a(2),a(3)……… एक समान्तर श्रेढी...

माना `a_(1),a_(2),a_(3)………` एक समान्तर श्रेढी के पद है। यदि `(a_(1)+a_(2)+a_(3)+......a_(p))/(a_(1)+a_(2)+a_(3)+.......a_(q))=(p^(2))/(q^(2)),pneq` तब `(a_(6))/(a_(21))` बराबर है-

A

`(41)/(11)`

B

`(7)/(2)`

C

`(2)/(7)`

D

`(11)/(41)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

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