How do you simplify #2 sqrt (27) - sqrt (3)#?
1 Answer
Mar 25, 2018
Explanation:
#"using the "color(blue)"law of radicals"#
#•color(white)(x)sqrtaxxsqrtbhArrsqrt(ab)#
#rArrsqrt27=sqrt(9xx3)=sqrt9xxsqrt3=3sqrt3#
#rArr2sqrt27-sqrt3#
#=2xx3sqrt3-sqrt3#
#=6sqrt3-sqrt3=5sqrt3#
