Question

Упростите выражение: (12y)^1/2 - (48y)^1/2 + 2*(108y)^1/2.

Answer 1

$(12y)^{1/2} - (48y)^{1/2} + 2*(108y)^{1/2}=2 sqrt{3y} -4 sqrt{3y} +2*6 sqrt{3y} =\ =10 sqrt{3y}.$