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12 questions from this quiz
They are bad presentation by convention
Multiply by nn\frac{\sqrt{n}}{\sqrt{n}}nn
Simplified surd form
322\frac{3\sqrt{2}}{2}232
272\sqrt{7}27
Simplify the surds
353\sqrt{5}35
a−bca - b\sqrt{c}a−bc
9−29 - 29−2
2+72+7\frac{2 + \sqrt{7}}{2 + \sqrt{7}}2+72+7
Examiners prefer positive denominators
7630\frac{7\sqrt{6}}{30}3076
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