Question

Find rationalising of the denomiters 1/2root2

Answer 1

$1 \div 2 \sqrt{2} \\ 1 \times 2 \sqrt{2 \: } \div 2 \sqrt{2} \times 2 \sqrt{2} \\ 2 \sqrt{2} \: \div (2 \sqrt{2} ) {}^{2} \\ 2 \sqrt{2} \: \div (4 \times 2) \\ 2 \sqrt{2} \: \div 8 \\ 2( \sqrt{2} ) \div 8 \\ \sqrt{2} \div 8$
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