Find the value of \(\sqrt{388 + \sqrt{127 + \sqrt{289}}}\).
20
Step 1 – Innermost root: \(\sqrt{289} = 17\)
Step 2 – Middle root: \(\sqrt{127 + 17} = \sqrt{144} = 12\)
Step 3 – Outermost root: \(\sqrt{388 + 12} = \sqrt{400} = \mathbf{20}\)
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