Surds
Conjugates and surds
Interactive practice questions
Determine a conjugate for $2+\sqrt{7}$2+√7.
Easy
< 1min
Determine a conjugate for $8-\sqrt{u}$8−√u.
Easy
< 1min
Determine a conjugate for $\sqrt{7}+\sqrt{2}$√7+√2.
Easy
< 1min
Determine a conjugate for $\sqrt{m}-\sqrt{3}$√m−√3.
Easy
< 1min
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