+0  
 
+2
101
2
avatar+1317 

Help Me Please

 

Radicals: rationalize the denominator

 

3 / 4+√2

ManuelBautista2019  Feb 19, 2018
 #1
avatar+12565 
+1

3 / (4+sqrt2)      multiply  by   (4- sqrt2) / (4-sqrt2)

 

3 (4-sqrt2) / (16 -4 sqrt2 +4 sqrt2 - 2)

(12 - 3sqrt2) / 14

6/7 - (3/14) (sqrt2)

ElectricPavlov  Feb 19, 2018
edited by ElectricPavlov  Feb 19, 2018
 #2
avatar+2765 
+1

Good job, EP!

tertre  Feb 19, 2018

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