simplify - #sqrt(12)xx sqrt(18)# ?
1 Answer
Apr 14, 2018
Explanation:
#"using the "color(blue)"law of radicals"#
#•color(white)(x)sqrtaxxsqrtbhArrsqrt(ab)#
#"using this law to simplify the radicals"#
#sqrt12=sqrt(4xx3)=sqrt4xxsqrt3=2sqrt3#
#sqrt18=sqrt(9xx2)=sqrt9xxsqrt2=3sqrt2#
#rArr-sqrt12xxsqrt18#
#=-2sqrt3xx3sqrt2#
#=(-2xx3)xxsqrt3xxsqrt2#
#=-6sqrt6#
