Question

(vii) Common difference of Arithematic progression series is :
5, 3, 1, -1
​

Answer 1

Answer:

the common difference is -2

Step-by-step explanation:

d=a2-a1

d=3-5=-2

Answer 2

Answer:

common difference of the series is

= A1 - a

A2 - A1

A3 - A2

= 3-5 = -2

= 1 - 3 = -2

= -1 - 1 = -2

Step-by-step explanation:

so the common difference is = -2