Question

The value of K for which three numbers x, 2x+K,3x+6 are in A,.P is ______

Answer 1

Step-by-step explanation:

x, 2x+K,3x+6 are in AP then,

a2-a1= a3-a2

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

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

x+k=x+6-k

x-x+k+k=6

2k=6

k=3

#666