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gui38
@gui38
October 2020
2
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Resolva essas questões de racionalização de denominadores
1) 12/4√2
2) √5-√2/√5+√2
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IzzyKoushiro
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Espero ter ajudado. :))
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3478elc
Verified answer
1)
12
=
12√13
==>
12√13
==>
3√13
4√13 4√13√13 4.13
13
√5-√2
=
(√5 -√2)(√5 -√2)
==>
(√5)² - √5√2 - √5√2 + (√2)²
√5+√2 (√5 +√2)(√5 -√2) (√5)² - (√2)²
5 - 2√10 + 2
==>
7 - 2√10
5 - 2
3
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Verified answer
Espero ter ajudado. :))
Verified answer
1) 12 = 12√13 ==> 12√13 ==> 3√13
4√13 4√13√13 4.13 13
√5-√2 = (√5 -√2)(√5 -√2) ==> (√5)² - √5√2 - √5√2 + (√2)²
√5+√2 (√5 +√2)(√5 -√2) (√5)² - (√2)²
5 - 2√10 + 2 ==> 7 - 2√10
5 - 2 3