Mister Exam

sqrt(4-x^2)-2 canonical form

The teacher will be very surprised to see your correct solution 😉

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The solution

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        ________    
       /      2     
-2 + \/  4 - x   = 0
$$\sqrt{4 - x^{2}} - 2 = 0$$
sqrt(4 - x^2) - 2 = 0