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How would i simplify the following radical expressions?

√48 =?
√x^6y^7=?
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1 Answer

48 = 3*4^2
So, √48 =4√3
 
 
x^6y^7= (x^3 y^3)^2 y
So, √x^6y^7= |x^3| y^3√y
 
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Ideas: Factor out squares so that the square root and the square undo each other.