Question

How to solve this I now it’s Ap but how to know that’s is that Ap or not

Answer 1

Step-by-step explanation:

just subtract 2nd from 1st and see what number comes

than again subtract 3rd from 2nd if number comes in series than it AP

eg:-

2,4,6,8,10.....

4-2 =2

6-4=2

yes this is an AP

HOPE YOU GET IT...

Answer 2

Answer:

Step-by-step explanation:

a). Yes, d = 2

b). Yes, d = 2

c). No.

d). Yes, d = 3

e). No

f). Yes, d = - 2

g). Yes, d = - 2

h). No.

i). Yes, d = 1/4

j). Yes, d = 1/2