Which of the following form of an AP? Justify your answer. 2, 2 2 , 2 3 , 2 4

Question

Philoid · Accepted Answer

We have a₁ = 2 , a₂ = 2², a₃ = 2³ and a₄ = 2⁴

a₂ - a₁ = 2² - 2 = 4 - 2 = 2

a₃ - a₂ = 2³ - 2² = 8 - 4 = 4

Clearly, the difference of successive terms is not same, therefore given list of numbers does not form an AP.

Which of the following form of an AP? Justify your answer.2, 22, 23, 24