JEE Main 2022 (28 July Morning Shift)

Question

Considering only the principal values of the inverse trigonometric functions, the domain of the function $f(x)=\cos^{-1}!\left(\dfrac{x^{2}-4x+2}{x^{2}+3}\right)$ is:

Accepted Answer

$\left[-	frac{1}{4},\inftyight)$

Answer

$(-\infty,	frac{1}{4}]$

Answer

$\left(-	frac{1}{3},\inftyight)$

Answer

$(-\infty,;	frac{1}{3}]$

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