SOLUTION: i dont understand square roots?? PLEASE HELP Simplify (Square root 8x^2y)(Square root 2xy) Identify the conjugate of 4Square root 2 - 2 Square root 3

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Question 432634: i dont understand square roots?? PLEASE HELP
Simplify (Square root 8x^2y)(Square root 2xy)
Identify the conjugate of 4Square root 2 - 2 Square root 3
Found 2 solutions by vleith, ewatrrr:
Answer by vleith(2983)   (Show Source): You can put this solution on YOUR website!
A)





B) the conjugate is the same pair of terms with the sign changed
Given

the conjugate is
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!


Hi

Note:  & 



 



conjugate of:

 is 

Note: Multiplying conjugates will remove the radicals

 = 32 -12 = 20

 

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