Question

2
If n term of A.P is an + b then its common difference is
1) a
2) 2a
3) b
4) 26​

Answer 1

Answer:

1.) 'a' is the correct answer.

Step-by-step explanation:

an = an+b

a1 = a×1+b

= a+b

& a1 = a×2+b

= 2a+b

d = a2-a1

= 2a+b-(a+b)

= 2a+b-a-b

= a

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