If the roots of the equation 2 x – bx + c = 0 be two consecutive integers, then 2 b – 4c equals

Question:

If the roots of the equation $x^{2}-b x+c=0$ be two consecutive integers, then $b^{2}-4 c$ equals

  1. $-2$

  2. 3

  3. 2

  4. 1

Correct Option: 4

JEE Main Previous Year 1 Question of JEE Main from Mathematics Complex Numbers and Quadratic Equations chapter.
JEE Main Previous Year 2005

Solution:

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