Please help with this maths on math watch! It’s roots and surds i think this includes rationalising the denominator but i have absolutely no idea which is why i need help!!

1 answer
Question:

Please help with this maths on math watch! It’s roots and surds i think this includes rationalising the denominator but i have absolutely no idea which is why i need help!!

Answers

Answer:2Step-by-step explanation:ac/b = [tex] \sqrt{ \frac{2 \times 10}{5} } = \sqrt{ \frac{20}{5} } = \sqrt{4} = 2[/tex]

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