dy/dx = y(x)sqrt(x)
=> dy/y(x) = sqrt(x)dx
=> int [dy/y(x)] = int [sqrt(x)dx]
=> y(x) = c_1 e^((2 x^(3/2))/3)
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dy/dx = y(x)sqrt(x)
=> dy/y(x) = sqrt(x)dx
=> int [dy/y(x)] = int [sqrt(x)dx]
=> y(x) = c_1 e^((2 x^(3/2))/3)
use a condição inicial y(9)=3, seguey(x) = 3 e^[(2 x^(3/2))/3 - 18]