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In a geometric progression consisting of positive terms, each term equals the sum of the next two terms. Then the common ratio of this progression equals

Options

  1. A1 2 (1- 5 )
  2. B1 2 5
  3. C5
  4. D1 2 ( 5 -1)

Correct answer

D. 1 2 ( 5 -1)

Step-by-step solution

Given a r^ n-1 =a r^n+a r^ n+1 aligned & 1=r+r^2 & r= 5 -1 2 . aligned

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