Question

if n term of an AP is an + b then its common difference is
(a) b
(b) a
(c)n
(d) - a​

Answer 1

Answer:

see my answers try following me

Step-by-step explanation:

b

Answer 2

Answer:

b. a is correct

as,

an=an+b

a(1)=a(1)+b

a(2)=a(2)+b

d= a2-a1

d=2a+b-(a+b)

d=2a+b-a-b

d=a+0

so, d=a