Question

Let x minus one, x minus four, x minus seven are in ap find the value of x?

Answer 1

a= x-1

a2= x-4

a3= x-7

D= a2-a1/2-1

X-4-x-1/ 1

-5/1 = -5

a = x-1 = -5-1= -6

a2=x-4= -5-4= -9

a3=x-7 = -5-7= -12

Hope it helps ✌