Question

$3 - \sqrt{7} \div 3 + 4 \sqrt{7}$
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Answer 1

Step-by-step explanation:

$3 - \sqrt{7} \div 3 + 4 \sqrt{7} \\ \\ = > \frac{3 - \sqrt{7} }{3 + 4 \sqrt{7} } = > \frac{3 - 2.64}{3 + 4 \times 2.64} \\ \\ = > \frac{0.664}{3 + 10.5} = > \frac{0.364}{13.5}$

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