93n
Higher tier only
Rationalising the denominator by multiplying by a conjugate expression
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33n: evaluating powers and roots and identifying square or cube numbers
33a: simplify expressions by multiplying terms
52a: expand and simplify pairs of brackets
82n: simplifying surds by taking out square factors (higher tier only)
86n: rationalising the denominator when the denominator is a single surd (higher tier only)
87n: expanding pairs of brackets containing surds (higher tier only)
Surd
Expand
Simplify
Denominator
Rationalise
No future learning for this topic
Rationalise denominator
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