Question

1/under root 9 - under root 8 is equal to??​

Answer 1

Answer:

$\frac{1}{ \sqrt{9} } - \sqrt{8}$

$\frac{1}{3} - 2 \sqrt{2}$

$\frac{1}{3} - \frac{3(2 \sqrt{2} )}{1 \times 3}$

$\frac{1 - 6 \sqrt{2} }{3}$

Hope it helps...

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Answer 2

All u have to do is rationalise the number.