Ask Arithmetic Progressions question free
×
Arithmetic Progressions Free Doubts and Solutions
Kerala - XI Science - Maths - Sequences and Series
The sum of n terms of two A.P are in the ratio (3n+8):(7n+15).Find the ratio of there 12th terms.
[why is n=23 towards the ending of the solution and how do we find n in the question?]
Asked by Deebu
29th November 2014,
2:03 PM
Kerala - XI Science - Maths - Sequences and Series
In an A.P if mth term is n and nth term is m,where m =!(not equal to) n,find the pth term.
I substituted for An=a+(n-1)d. (ie Am=a+(m-1)d and An=a+(n-1)d) I don't understand the rest.
Please explain the steps.
Asked by Deebu
28th November 2014,
6:25 AM
