How to solve 18/√3 ?
1 Answer
Jan 22, 2018
Explanation:
#"to simplify "18/sqrt3#
#"make use of the following "#
#•color(white)(x)sqrtaxxsqrta=a#
#color(blue)"as an example "#
#sqrt100xxsqrt100=10xx10=100#
#"what we have to do here is "color(blue)"rationalise the denominator"#
#"this means eliminating the radical from the denominator"#
#"multiply the numerator/denominator by "sqrt3#
#rArr18/sqrt3xxsqrt3/sqrt3=(cancel(18)^6sqrt3)/cancel(3)^1=6sqrt3#