4-2.Quadratic Equations and Inequations
hard

समीकरण $\mathrm{x}\left(\mathrm{x}^2+3|\mathrm{x}|+5|\mathrm{x}-1|+6|\mathrm{x}-2|\right)=0$ के वास्तविक हलों की संख्या है ...........

A

$5$

B

$3$

C

$4$

D

$1$

(JEE MAIN-2024)

Solution

$x=0 \text { and } x^2+3|x|+5|x-1|+6|x-2|=0$

Here all terms are $+v e$ except at $x=0$

So there is no value of $x$

Satisfies this equation

Only solution $\mathrm{x}=0$

No of solution 1 .

Standard 11
Mathematics

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