Question

if y= √√7+7+√8+2 +√7 find the value of y

Answer 1

Answer:

$y = \sqrt{ \sqrt{7} + 7 + \sqrt{8} + 2 + \sqrt{7} } \\ y = \sqrt{ \sqrt{7} + 7 + 2 \sqrt{2} + 2 + \sqrt{7} } \\ y = \sqrt{2 \sqrt{7} + 7 + 2 \sqrt{2} + 2 } \\ y = \sqrt{2 \sqrt{7} + 9 + 2 \sqrt{2 } } \\ y = 4.13762$

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