A) √6/√12
B) 20/√14
C) 10/√7
D)√3/√18
A) √6/√12 = √6*√12/12 = √72/12 = 6√2/12 = √2/6
B) 20/√14 = 20*√14/14 = 10√14/7
C) 10/√7 = 10*√7/7 = 10√7/7
D) √3/√18 = √3*√18/18 = √54/18 = 9√6/18 = √6/2
A) â6/â12 Ã â12/â12 = 72/12 = 6
B) 20/â14 Ã â14/â14 = 20â14/14
C) 10/â7 Ã â7/â7 = 10â7/7
D)â3/â18 Ã â18/â18 = 54/18 = 3
â6/â12 = 6V2/12 = V2/6
Numerador--> V6.V12 = V72 = V(2².2.3²) = 6V2
Denominador: V12.V12 = (V12)² = 12
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20/V14 =
Numerador: 20.V14 = V280 = V(2².2.5.7) = 2V70
Denominador: V14.V14 = (V14)² = 14
Resposta: 2V70/14 = V70/7
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Os outro são resolvidos da mesma forma.
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Answers & Comments
Verified answer
A) √6/√12 = √6*√12/12 = √72/12 = 6√2/12 = √2/6
B) 20/√14 = 20*√14/14 = 10√14/7
C) 10/√7 = 10*√7/7 = 10√7/7
D) √3/√18 = √3*√18/18 = √54/18 = 9√6/18 = √6/2
A) â6/â12 Ã â12/â12 = 72/12 = 6
B) 20/â14 Ã â14/â14 = 20â14/14
C) 10/â7 Ã â7/â7 = 10â7/7
D)â3/â18 Ã â18/â18 = 54/18 = 3
â6/â12 = 6V2/12 = V2/6
Numerador--> V6.V12 = V72 = V(2².2.3²) = 6V2
Denominador: V12.V12 = (V12)² = 12
_________________________________________________
20/V14 =
Numerador: 20.V14 = V280 = V(2².2.5.7) = 2V70
Denominador: V14.V14 = (V14)² = 14
Resposta: 2V70/14 = V70/7
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Os outro são resolvidos da mesma forma.