Question

do this if you can let do

Answer 1

Answer:

$\frac{3}{\sqrt{2} - 1} \times \frac{ \sqrt{2} + 1 }{ \sqrt{2} + 1} \\ \rightarrow \: \frac{3( \sqrt{2} + 1)}{ {( \sqrt{2}) }^{2} - {1}^{2} } \\ \rightarrow \: \frac{3 \sqrt{2} + 3 }{1}$

$ii) \frac{1}{7 - 4 \sqrt{3} } \times \frac{7 + 4 \sqrt{3} }{7 + 4 \sqrt{3} } \\ \rightarrow \frac{7 + 4 \sqrt{3} }{ {7}^{2} - ( {4 \sqrt{3}) }^{2} } \\ \rightarrow \frac{7 + 4 \sqrt{3} }{49 - 48} \\ \rightarrow \frac{7 + 4 \sqrt{3} }{1}$

hope it helps you....✌✌