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[JEE Advanced 1982] The number of real solutions of $|x|^2-3|x|+2=0$ is

VAVidaara Admin Asked 1mo ago 1 views 1 answer
#PYQJEE#JEE#JEE Advanced#1982#modulus-equations#Quadratic Equations and Inequations

The number of real solutions of $|x|^2-3|x|+2=0$ is

(a) $4$
(b) $1$
(c) $3$
(d) $2$

1 Answer

VAVidaara Admin ✓ Vidaara Team ✓ Accepted · 1mo ago ▲ 0

Correct answer: (a) $4$

$|x|=1$ or $2$, giving $x=\pm1,\pm2$ — four solutions.

JEE Advanced 1982 · Quadratic Equations and Inequations — verified solution by the Vidaara Team.

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