How do you simplify #2 sqrt 8#?
1 Answer
Apr 4, 2016
Explanation:
Using the following
#color(blue)" rules of radicals " #
# sqrtab = sqrtaxxsqrtb hArr sqrtaxxsqrtb = sqrtab #
#sqrt8" can be written " sqrt(4xx2) = sqrt4xxsqrt2 = 2sqrt2 #
#rArr 2sqrt8 = 2xx2xxsqrt2 = 4xxsqrt2 = 4sqrt2#
