Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • Let a1,a2,a3, ........ be term of A.P if a1+a2+a3+......+ap/a1+a2+a3+......+aq=p^2/q^2 then a6/a21 equals

Let a1,a2,a3, ........ be term of A.P if a1+a2+a3+......+ap/a1+a2+a3+......+aq=p^2/q^2 then a6/a21 equals

Answers (1)

best_answer

Solution:

               (p/2)[2a+(p-1)d]/(q/2)[2a+(q-1)d]=p^2/q^2

      Rightarrow       a+(p-1/2)d/a+(q-1/2)d=p/q

      Now, put p=11 and  q=41.

Rightarrow           a_6/a_21=11/41.

Posted by

Deependra Verma

View full answer

Similar Questions

Latest Question