The least integral value a of x such that 2 5 0 5 14 – > + – x x x , satisfies :

Question:

The least integral value $\alpha$ of $x$ such that $\frac{x-5}{x^{2}+5 x-14}>0$, satisfies :

  1. $\alpha^{2}+3 \alpha-4=0$

  2. $\alpha^{2}-5 \alpha+4=0$

  3. $\alpha^{2}-7 \alpha+6=0$

  4. $\alpha^{2}+5 \alpha-6=0$

Correct Option: 1

JEE Main Previous Year 1 Question of JEE Main from Mathematics Complex Numbers and Quadratic Equations chapter.
JEE Main Previous Year Online April 23, 2013

Solution:

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