Question

For what value of k will k+9,2k -1 and 2k+7 become consecutive terms of an AP

Answer 1

PLEASE MARK THIS AS BRAINLIEST

Answer 2

as D = a2 -a1

so,2k-1-(k+9)=2k+7-(2k-1)

2k-1-k-9=2k+7-2k+1

k-10=8

k=8+10

k=18