Question

rationalise then answer (3/√18)+(5/√72)​

Answer 1

Answer:

$( \frac{3}{ \sqrt{18} }) + ( \frac{5}{ \sqrt{72} } ) \\ = ( \frac{3}{ 3\sqrt{2} } ) + ( \frac{5}{ 6\sqrt{2} } ) \\ = \frac{6 + 5}{6 \sqrt{2} } = \frac{11}{6 \sqrt{2} } \\ = \frac{11 \sqrt{2} }{6 \times 2} = \frac{11 \sqrt{2} }{12} \: \: ans$

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Answer 2

Answer:

Step-by-step explanation:

3/sqrt(18)=3/3sqrt(2)

5/sqrt(72)=5/6sqrt(2)

1/sqrt(2)+5/6sqrt(2)=(1/sqrt(2))(1+(5/6))=11/6sqrt(2)