Question

Let x-1,x-4 and x-7 are in AP find the value of x

Answer 1

Answer:

x = -2

Step-by-step explanation:

x-1 = a

x-4 = a2

x-7 = a3

a3-a2 = a

x-7-x+4 = x-1

-3 = x-1

x = -3 + 1 = -2