Question

Solve the ques. Please
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Answer 1

$The \: answer \: is \: 11 \sqrt{7}$

Step-by-step explanation:

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

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Answer 2

11root7

Hope it helps you