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11 questions from this quiz
3113\sqrt{11}311
ab=a⋅b\sqrt{ab}=\sqrt{a}\cdot\sqrt{b}ab=a⋅b
xxx
We need to rationalise the denominator
55\frac{\sqrt{5}}{\sqrt{5}}55
55\frac{\sqrt{5}}{5}55
aa\frac{\sqrt{a}}{\sqrt{a}}aa
c−bac-b\sqrt{a}c−ba
The conjugate c−bac-b\sqrt{a}c−ba
ab−cda\sqrt{b}-c\sqrt{d}ab−cd
4214\frac{\sqrt{42}}{14}1442
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