If the quadratic equations, 3x 2 + ax + 1 = 0 and 2x 2 + bx + 1 = 0 have a common root…

Mathematics · JEE Advanced · NTA ExamsComplex Numbers and Quadratic Equations

If the quadratic equations, 3x2 + ax + 1 = 0 and
2x2 + bx + 1 = 0 have a common root, then the value of the expression 5ab – 2a2 – 3b2 is
  1. \(0\)
  2. \(1\)
  3. \(-1\)
  4. \(2\)

Answer

(B) 1

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