ini gimana???????????

²log3 = x
²log25 = y
²log45√3 = ²log√(45² x 3) = ²log√(2.025 x 3)
= ²log√(25x81x3)
= ²log√(25 x 3^5)
= ²log(25 x 3^5)^½
= ½(²log25 + 5.²log3)
= ½(y + 5x)

jawaban : b