Question

If K - 1 k + 3 and 3 k - 1 are in AP then find the value of k

Answer 1

Answer:

K-1+3K-1 whole divided by 2 = K+3

4K-2 whole divided by 2= K+3

4K-2 = 2K+6

2K = 8

therefore K=4

Hope it helps