Question

Please tell the third one how to solve

Answer 1

Answer:

$\sqrt{41 + \sqrt{21 + \sqrt{19 - \sqrt{9} } } }$

calculate the root and subtract

$\sqrt{41 - 3 + \sqrt{21 + \sqrt{19} } }$

$\sqrt{38 + \sqrt{21 + \sqrt{19} } } }$

now the approx it will come

6.85

please follow me and mark as brainliest