Question

do question no. 2 pls fast

Answer 1

Hey there,

If a,b and c are in AP then
2b=a+c

Similarly
2k+1, 6 and 3k+1 are in AP
So we get,

12=5k+2
5k=10

Therefore k=2

PLEASE MARK AS BRAINLIEST IF HELPFUL!!!

Regards
07161020
Ace