Mister Exam

sqrt(arctan(sqrt(2x+3))) canonical form

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

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The solution

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\/  atan\\/ 3 + 2*x /  = 0
$$\sqrt{\operatorname{atan}{\left(\sqrt{2 x + 3} \right)}} = 0$$
sqrt(atan(sqrt(2*x + 3))) = 0