Question

Pls solve this...
It's very important

Answer 1

here is your answer
hope this helps you
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Answer 2

$\\ = \frac{(7 \sqrt{3} - 5 \sqrt{2})( \sqrt{48} - \sqrt{18} ) }{( \sqrt{48} + \sqrt{18})( \sqrt{48} - \sqrt{18} ) } \\ \frac{7 \times 12 - 21 \sqrt{6} - 20 \sqrt{6} +30 }{48 - 18} \\ = \frac{ 84 - 41 \sqrt{6} +30}{30} \\ = \frac{114 - 41 \sqrt{6} }{30}$