The domain of the function $f(x)=\sin ^{-1}\left(\frac{x^{2}-3 x+2}{x^{2}+2 x+7}\right)$ is : - DASH

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Question

The domain of the function $f(x)=\sin ^{-1}\left(\frac{x^{2}-3 x+2}{x^{2}+2 x+7}\right)$ is :

$[1, \infty)$

$[-1,2]$

$[-1, \infty)$

$(-\infty, 2]$

Solution

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