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JEE Main 2017

JEE Main 2017 Mathematics question on Sequences and Series

For any three positive real numbers aa, bb and cc, if 9(25a2+b2)+25(c2−3ac)=15b(3a+c)9(25a^2 + b^2) + 25(c^2 - 3ac) = 15b(3a + c), then
  1. A.
    bb, cc and aa are in GP
  2. B.
    bb, cc and aa are in AP
  3. C.
    aa, bb and cc are in AP
  4. D.
    aa, bb and cc are in GP
Show answer

Correct option: B

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