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Let a₁, a₂, , a₂₀₂₂ be positive integers such that a_i+a_ i+1 =b+1 for 1 i 2021 , where b is a constant. If a₂₀₂=2 , then a₂₂ is

Options

  1. A1
  2. B2
  3. Cb-1
  4. Db

Correct answer

B. 2

Step-by-step solution

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