Question

What is the common difference (d) of the A.P 5,1,3,-7....?​

Answer 1

Step-by-step explanation:

a = 5

value of t2 is = 1

t2 = a+d

1 = 5 + d

d = -5 +1

d = -4

Answer 2

Common difference is 1-5=-4 or -7+3=-4