Question 14 of 108 in Unit 10

Number 10

3 marks · Normal

Rationalise the denominator and simplify: .

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Common mistakes: Leaving surd in denominator; Incorrect fraction

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Marking points

M1 · 1 mark · Multiplies numerator and denominator by .

M2 · 1 mark · Calculates denominator as 2.

A1 · 1 mark · Gives answer .

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