Question

If 2,(x-1), 4 are in an ap then find the value of x

Answer 1

Answer:

The value of x is 4

Step-by-step explanation:

a = 2

a₂ = a + d = x - 1

a₃ = a+ 2d = 4

put a = 2 in a₃

2 + 2d = 4

2d = 4 -2

2d = 2

d = 2/2

d = 1

now put d = 1 and a = 2 in a₂

a + d = x - 1

2 + 1 = x -1

x - 1  = 3

x = 3 + 1

x = 4