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anonymous
 4 years ago
How do I simplify this expression: 2√5 / 5√2? I got 2√10 / 10 but the answer is √10 / 5... how?
anonymous
 4 years ago
How do I simplify this expression: 2√5 / 5√2? I got 2√10 / 10 but the answer is √10 / 5... how?

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0I tried 2√5 / 5√2 = 2√5 / 5√2 = √2 / √2

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0don't worry, 2sqrt(10) / 10 = sqrt(10)/5

King
 4 years ago
Best ResponseYou've already chosen the best response.0see..in the top 2 can be written as sqrt2*sqrt2 and in the bottom 5 is sqrt 5*sqrt5 so u wil get sqrt2/sqrt5 now multiply by sqrt5/sqrt5 to get sqrt10/5

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Don't I do this: 2√5 2√5 √2  =  x  5√2 5√2 √2

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0yes, called rationalizing the denominator

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0yes. But I got 2√10 / 10 D:

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0when it's supposed to be √10 / 5

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[\frac{2\sqrt{10}}{5\sqrt{2}*\sqrt{2}}\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0can you see from that?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[= \frac{2\sqrt{10}}{5*2}\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[= \frac{\sqrt{10}}{5}\]
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