Question

If p-1,p+3, 3p-1 are in AP ,then p is equal ______

Answer 1

Step-by-step explanation:

let a = p - 1, b = p +3, c = 3p-1

b = a + c /2

p + 3 = p - 1 + 3p - 1 /2

2p + 6 = 4p - 2

2p - 4p = -2-6

-2p = -8

p = 4