Помогите √720·√15 ________ √600

Question

Помогите
√720·√15
________
√600

Answer 1

√720.√15/√600=√(720.15/600)=√(72/4)=√18=√(9.2)=3√2

Answer 2

√720*√15/√600=√10800/√600=√18