What is the square root of 3 times square root of 15?

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Answer 1 · 2015-09-16T03:22:53

#3sqrt5#

#sqrt3sqrt15#

#sqrtasqrtb=sqrtab#

#sqrt3sqrt5=sqrt45#

Factor #45#.

#sqrt(3xx3xx5)=#

#sqrt(3^2xx5)#

#sqrt(a^2)=a#.

#sqrt(3^2)=3#

#sqrt(3^2xx5)=#

#3sqrt5#