JEE Main 2025 — Quadratic Equation Question with Solution
JEE Main 2025 (28 Jan Shift 1)
Question
The sum, of the squares of all the roots of the equation , is
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Only is acceptable root
For
$\begin{aligned}
& x^2-2 x-1=0 \\
& x=\frac{2 \pm \sqrt{4+4}}{2}=1 \pm \sqrt{2}
\end{aligned}$
Only is acceptable
Sum of the square
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This is a previous-year question from JEE Main 2025, 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.