Question

Simplify : 7 by 3√3 - 2√2

Answer 1

$\frac{7}{3 \sqrt{3 } - 2 \ \sqrt{2} }$

$\frac{7}{(3 \sqrt{3} - 2 \sqrt{2} )(3 \sqrt{3} + 2 \sqrt{2} )}$

$\frac{7}{ {(3 \sqrt{3} )}^{2} - ( {2 \sqrt{2} )}^{2} }$

$\frac{7}{27 - 8}$

$\frac{7}{19}$

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