3 / sqrt 15 * (sqrt 15/sqrt 15)
= 3 sqrt 15 /15 = sqrt 15 / 5
Hey , just keep your cool and do them step by step.
Simpilfy the radical expression by rationalzing the denoiminator?
3/sqrt15
a)sqrt45/15
b)sqrt15/5
c)5sqrt15***
d)sqrt3
3 answers
Thanks! Neede that
multiply by ... √15 / √15
3 √15 / 15
cancel 3
√15 / 5
3 √15 / 15
cancel 3
√15 / 5