Question

For what value of k are the numbers x,(2x+k) and (3x+6) three consecutiver terms of an ap

Answer 1

Answer:

3

Step-by-step explanation:

x,2x+k,3x+6

w.k.t ,

A3-A2=A2-A1 (if they are in a.p)

(3x+6)-(2x+k)=(2x+k)-x

3x+6-2x-k=2x+k-x

x+6-k=x+k

x-x+6=k+k

6=2k

k=6/2

k=3