Question

3.
If a = 2n + 1 then the common
difference of the AP is​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

an = 2n + 1

___________

Put n = 1

⇒a1 = 2(1) + 1

⇒a1 = 2 + 1

⇒a1 = 3

Put n = 2

⇒a2 = 2(2) +1

⇒a2 = 4 + 1

⇒a2 = 5

⇒d = a2 - a1

⇒d = 5 - 3

⇒d = 2