Question

$\sqrt{12 + \sqrt{12 + \sqrt{12} } }$
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Answer 1

$\tt{} \sqrt{12 + \sqrt{12 + \sqrt{12} } }$

$\tt{} \sqrt{12 + \sqrt{12 + \sqrt{ {2}^{2} \times 3 } } }$

$\tt{} \sqrt{12 + \sqrt{12 + \sqrt{ {2}^{2} \sqrt{3} } } }$

$\tt{} \sqrt{12 + \sqrt{12 + 2 \sqrt{3} } }$

$\tt{}3.99155$