+0  
 
0
2459
1
avatar+510 

What is the simplest form of the radical expression 48x4y3−−−−−−√ ?

 Mar 1, 2018
 #1
avatar+9466 
+1

\(\quad\sqrt{48x^4y^3} \\ =\\ \quad\sqrt{2\cdot2\cdot2\cdot2\cdot3\cdot x^4\cdot y^3} \\ =\\ \quad\sqrt{2^4\cdot3\cdot x^4\cdot y^3} \\ =\\ \quad\sqrt{2^4\cdot3\cdot x^4\cdot y^2\cdot y} \\ =\\ \quad\sqrt{2^4\cdot x^4\cdot y^2\cdot 3\cdot y} \\ =\)

\(\quad\sqrt{2^4}\cdot \sqrt{x^4}\cdot \sqrt{y^2}\cdot \sqrt{3\cdot y}\\ =\\ \quad2^2\cdot x^2\cdot y\cdot\sqrt{3\cdot y}\\ =\\ \quad4x^2y\sqrt{3 y} \)          Since  x  and  y  are positive, we can say...

 Mar 4, 2018
edited by hectictar  Mar 4, 2018

4 Online Users

avatar
avatar
avatar