Question

please answer this question
$\sqrt{43 + \sqrt{32 + \sqrt{18 - \sqrt{4} } } }$

Answer 1

$= \sqrt{43 + \sqrt{32 + \sqrt{18 - 2 } } } \\ = \sqrt{43 + \sqrt{32 + \sqrt{16 } } } \\ = \sqrt{43 + \sqrt{32 + 4} } \\ = \sqrt{43 + 6} \\ = \sqrt{49} \\ = 7$
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Answer 2

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