Reduce the expression by rationalising it — task. Maths TNSB Mentoring, Class 9.

(\sqrt{43} + \sqrt{17}) (\sqrt{43} - \sqrt{17})

$=$

{(\sqrt{43} - \sqrt{17})}^{2}

$=$

i

$2$

\sqrt{i}

\frac{5}{12 + \sqrt{41}}

Did you find an error?

5. Reduce the expression by rationalising it