Question

Rationalise then answer 3/sqrt 18 + 5/ sqrt 72

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

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$( \frac{3}{ \sqrt{18} } ) + ( \frac{5}{ \sqrt{72} } )$

$( \frac{3}{3 \sqrt{2} } ) + ( \frac{5}{6 \sqrt{2} } )$

$\frac{6 + 5}{6 + \sqrt{2} }$

$\frac{11}{6 \sqrt{2} }$

$\frac{11 \sqrt{2} }{6 \times 2}$

$\frac{11 \sqrt{2} }{12}$