Question #9c221
1 Answer
Nov 17, 2016
Explanation:
Using the
#color(blue)"law of radicals"#
#color(orange)"Reminder " color(red)(bar(ul(|color(white)(2/2)color(black)(sqrtaxxsqrtbhArrsqrtab))color(white)(2/2)|))#
#rArrsqrt6xxsqrt3=sqrt(6xx3)=sqrt18# and
#sqrt18=sqrt(9xx2)=sqrt9xxsqrt2=3sqrt2#