5. If k-1, k + 3 and 3k - 1are in AP, then
find the value of k.
CBSE 2011
Answers
Answered by
2
Answer:
k-1,k+3,3k-1 are in A.P
By finding the common difference i.e a3-a2
a3=3k-1,a2=k+3
3k-1-(k+3)
3k-1-k-3
2k-4=0
2k=4
k=2
Step-by-step explanation:
I hope this answer may help you
Similar questions