1. Tardigrade
  2. Question
  3. Mathematics
  4. For the sequence an a1=2 an+1=1-(1/an) for n ≥ 1 Let Pn be the product of its first n terms, then the value of P2009 can be

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Q. For the sequence $\left\{a_n\right\}, a_1=2 a_{n+1}=1-\frac{1}{a_n}$ for $n \geq 1$ Let $P_n$ be the product of its first $n$ terms, then the value of $P_{2009}$ can be

JEE AdvancedJEE Advanced 2019

Solution:

Correct answer is (b) -1