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In a A B C, A, B, C are in A P and a, b, c are in GP then value of a^3+b^3+c^3-a^2 b-b^2 c-c^2 a is

Options

  1. A0
  2. B1
  3. C3
  4. D4

Correct answer

A. 0

Step-by-step solution

A B C is equilateral a = b = c

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