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iGCSE (2021 Edition)

5.11 Rationalising the denominator (Extended)

Interactive practice questions

Determine a conjugate for $5+\sqrt{5}$5+5.

Easy
< 1min

Determine a conjugate for $6-\sqrt{v}$6v.

Easy
< 1min

Determine a conjugate for $\sqrt{6}+\sqrt{3}$6+3.

Easy
< 1min

Determine a conjugate for $\sqrt{n}-\sqrt{5}$n5.

Easy
< 1min
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Outcomes

0607E1.10B

Rationalisation of the denominator.

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