If the ratio of the sum of the first n terms of two A.P.s is (7n+1):(4n+27),then find the ratio of their 9th terms.
Answers
Answered by
2
(7n+1)::(4n+27)
7n×27:4n×1
189n:4n
n=189/4=47.25
7n×27:4n×1
189n:4n
n=189/4=47.25
ohmygorg:
Ur answer is wrong
Similar questions