Question

if k,2k-1,2k+1are consecutive no. of ap then find value of k


ans is 3

explain step by step​

Answer 1

Answer:

since k, 2k - 1, 2k + 1 are in AP

THEREFORE,

2k - 1 - k = 2k + 1 - 2k + 1

k - 1 = 2

k = 3