help to answer this question
Attachments:
Answers
Answered by
0
n is equal to 11 .
I hope
it may help you
I hope
it may help you
subbupavan123:
how can you show process with a photo
Answered by
5
1st AP
Sum of 2n terms
is n(4+6n-3) = n(6n+1)..........,eq1
2nd AP
Sum of n terms
(n/2)(114+2n-2)
is n(n+56)........................ eq2
eq1 = eq2
5n^2-55n = 0
Hence, n is 11
Sum of 2n terms
is n(4+6n-3) = n(6n+1)..........,eq1
2nd AP
Sum of n terms
(n/2)(114+2n-2)
is n(n+56)........................ eq2
eq1 = eq2
5n^2-55n = 0
Hence, n is 11
Similar questions