Question

Solve the ques please
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Answer 1

$11 \sqrt{7}$

Step-by-step explanation:

$4 \sqrt{28 + 3 \sqrt{7 \\ 4 \times 2 \sqrt{7 + 3 \sqrt{7 \\ 8 \sqrt{7 + 3 \sqrt{7 \\ 11 \sqrt{7} } } } } }$