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Simplify $\sqrt{54-\sqrt{20+\sqrt{32-\sqrt{49}}}}$ |
$\sqrt{17}$ 7 17 $3\sqrt{17}$ |
7 |
$\sqrt{54-\sqrt{20+\sqrt{32-\sqrt{49}}}}$ sqrt{49} = 7 32-7 = 25 sqrt{25} = 5 20+5 = 25 sqrt{25} = 5 54-25 = 49 sqrt{49} = 7 The correct answer is Option (2) → 7 |
