AM-1263

Surds and rationalising

A Math · Secondary 4 · Hard · Surds and rationalising

1. $-\dfrac{4}{3} + \dfrac{8}{3}\sqrt{7}$
2. $\dfrac{4}{3} + \dfrac{8}{3}\sqrt{7}$
3. $-\dfrac{4}{3} + \dfrac{2}{3}\sqrt{7}$
4. $\dfrac{4}{3} - \dfrac{8}{3}\sqrt{7}$

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