Question

Please simplify:
Note: No wrong answers or comments, it will be reported.
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Answer 1

Step-by-step explanation:

hope this answer will help you

Answer 2

= $\frac{ 2\sqrt{7} \: \times \: \sqrt{8} \: \times \: 5 \sqrt{3} \: }{3 \sqrt{3} \: \times \: \sqrt{15} \: \times \: \sqrt{42} }$

= $\frac{ 2 \sqrt{7} \times( 2 \times \sqrt{7})\times \sqrt{5} }{(3 \times \sqrt{3} ) \times( \sqrt{3} \times \sqrt{5} \times ( \sqrt{7} \times \sqrt{2} \times \sqrt{3}) }$

= $\frac{ 4 }{3 \times 3 \times \sqrt{3} }$

= $\frac{4}{9 \sqrt{3} } = \frac{4 \sqrt{3} }{9 \sqrt{3} \times \sqrt{3} }$

= $\frac{4 \sqrt{3} }{9 \times 3}$

= $\frac{4 \sqrt{3} }{27}$

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