Mathematics 4024 · O Level · Surds

Surds — practice question

(a)[2]

Simplify $\sqrt{175}-\sqrt{28}$.

(b)[1]

Rationalise the denominator of $\frac{1}{\sqrt{5}}$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The simplified value is $3\sqrt7$.” …

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