If ^ -1 (x^2-7x+12)=n , n I, then x = - Vidyadip

MCQ

If $\sin^{-1}(\text{x}^2-7\text{x}+12)=\text{n}\pi,\forall\text{ n }\in\text{ I},$ then $x =$

A
$-2$
✓
$4$
C
$-3$
D
$5$

✓

Answer

Correct option: B.

$4$

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