Surds

Hong Kong

Stage 1 - Stage 3

Determine a conjugate for $2+\sqrt{7}$2+√7.

Easy

Less than a minute

Determine a conjugate for $8-\sqrt{u}$8−√`u`.

Determine a conjugate for $\sqrt{7}+\sqrt{2}$√7+√2.

Determine a conjugate for $\sqrt{m}-\sqrt{3}$√`m`−√3.

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