Watch this video to learn about the rules of surds. For example, \(\sqrt 4 = 2\) is not a surd. However \(\sqrt 5\) is a surd. If you use a calculator, you will see that \(\sqrt 5 = 2.236067977...\) ...
Rationalise the denominator of \(\frac{\sqrt{8}}{\sqrt{6}}\). The denominator can be rationalised by multiplying the numerator and denominator by √6. (This has the ...
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