Multiple choice

If a, b, c are in AP and the equations (b − c)x2 + (c − a)x + (a − b) = 0 and 2(c + a)x2 + (b + c)x = 0 have a common root, then

  1. a2, b2, c2 are in AP

  2. a2, c2, b2 are in AP

  3. c2, a2, b2 are in AP

  4. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer