+0  
 
+1
184
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avatar+1317 

Help Me Please.

 

Exercises: Perform the  Operations Indicated

 

^4√100/ 2√5

ManuelBautista2019  Feb 19, 2018
 #1
avatar+24 
0

so the 4root of 100 mutiplied by the sqaure root of 5.

TheDeathlyHallows  Feb 19, 2018
 #2
avatar+13577 
+1

(100)^1/4  / 2 sqrt(5)

(10^2)^1/4 / 2 sqrt5

10^2/4  / 2 sqrt 5

sqrt 10  / 2 sqrt 5

sqrt (5) sqrt (2) / 2 sqrt5

sqrt(2) / 2

.707

ElectricPavlov  Feb 19, 2018
 #3
avatar+90968 
+1

4√100 /  [2√5]    mutiply top/bottom by  √5

 

4√100 * √5 /  [ 2*√5*√5]  =

 

4√100 * √5  / 10       

 

Write   4√100   as  4√10^2  =  10^(2/4)  = 10^(1/2) 

And write  √5  =  5^(1/2)

 

So we have

 

[ 10^(1/2) * 5^(1/2) ] / 10  =

 

[  50^(1/2)] / 10 =

 

√[ 25 * 2 ] / 10  =

 

5√2 / 10  =

 

(1/2)√2  =

 

√2 / 2

 

 

cool cool cool

CPhill  Feb 19, 2018
 #4
avatar+1317 
0

Thanks all of You!!

ManuelBautista2019  Feb 19, 2018

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