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If in a triangle ABC , the altitudes from the vertices A , B , C on opposite sides are in H.P., then A, B, C are in

Options

  1. AG.P.
  2. BA.P.
  3. CArithmetic - Geometric Progression
  4. DH.P.

Correct answer

B. A.P.

Step-by-step solution

= 1 2 p₁ a= 1 2 p₂ b= 1 2 p₃ bp₁, p₂, p₃ are in H.P. 2 a , 2 b , 2 c are in H.P. 1 a , 1 b , 1 c are in H.P a, b, c are in A.P. A, B, C are in A.P.

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