JEE Main 2009 — Quadratic Equation Question with Solution
JEE Main 2009
Question
If the roots of the equation be imaginary, then for all real values of , the expression is
Choose an option
Show full solutionCorrect option: C
Correct answer
Cgreater than
Step-by-step explanation
Roots are imaginary
since
Given expression has minimum value
Minimum value .
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This is a previous-year question from JEE Main 2009, covering the Quadratic Equation chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.