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Black Book Advanced Problems in MathematicsMathematicsDeterminants

If the system of linear equations x + 2ay + az = 0x + 3by + bz = 0x + 4cy + cz = 0 has a non-zero solution, then a, b, c:

Options

  1. Aare in A.P.
  2. Bare in G.P.
  3. Care in H.P.
  4. Dsatisfy a + 2b + 3c = 0

Correct answer

C. are in H.P.

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