SOLUTION: (a) sqrt(10x) * sqrt(8x) (b) sqrt(24x^4) / sqrt(3x) (c) 5 / sqrt(3-1)

Algebra ->  Square-cubic-other-roots -> SOLUTION: (a) sqrt(10x) * sqrt(8x) (b) sqrt(24x^4) / sqrt(3x) (c) 5 / sqrt(3-1)      Log On


   

Question 171308: (a) sqrt(10x) * sqrt(8x)
(b) sqrt(24x^4) / sqrt(3x)
(c) 5 / sqrt(3-1)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
(a) sqrt(10x) * sqrt(8x)
Since they're both sq roots, you can multiply.
= sqrt(80x^2)
= 4x*sqrt(5)
-----------------
(b) sqrt(24x^4) / sqrt(3x)
Same here, you can divide
= sqrt(8x^3)
= 2x*sqrt(2x)
(c) 5 / sqrt(3-1)
5/sqrt(2)
= 5*sqrt(2)/2