Question

If the number x-2, 4x-1 and 5x+2 are in A.P find the value of x

Answer 1

x-2=0,so, x=2
4x-1=0,so,x=1÷4
5x+2=0,so,x=-2÷5

Answer 2

d= A2-A1
so 4x-1-x+2
=3x+1--------(1)
now,
d=A2-A1
5x+2-4x+1
= x +3---------(2)
now from first and second we get
3x+1=x+3
3x-x=3-1
2x=2
x=1