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JEE Main2019Math
Q.

Let a1, a2, a3... , a10 in G.P with ai > 0 for i = 1, 2, ... , 10 and S be the set of pairs (r, k), r, kN

(the set of natural numbers for which

  1. A

    2

  2. B

    10

  3. C

    4

  4. D

    Infinitely many

Solution

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