Question

which of these are arithmetic progressions and why? a) 2,3,5,7,8,10,15.... b)2,5,7,10,12,15..​

Answer 1

Step-by-step explanation:

None of the them are the in the form, since, both of have different D (Common Difference)

a) 3 - 2 = 1, =/= 5 - 3 = 2

b) 5 - 2 = 3 =/= 7 - 5 = 2