Question

$\sqrt{4 + \sqrt{16} }$
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Answer 1

$\sqrt{4 + \sqrt{16} } = \sqrt{4 + 4} = \sqrt{8} = 2 \sqrt{2} \approx 2.8484$

Answer 2

4+4 ( 16 root is 4 )
8 root = 2 root2 = 2.8

4+4 root hai
Sorry for not putting root sign