Chapter 4 - Vector Spaces - 4.8 Applications of Vector Spaces - 4.8 Exercises - Page 219: 9

(a) $\sqrt{x}$ is not a solution. (b) $x$ is not a solution. (c) $x^2$ is a solution. (d) $x^3$ is not a solution.

Consider the linear differential equation $x y^{\prime}-2 y=0$ (a) $\sqrt{x}$ is not a solution. (b) $x$ is not a solution. (c) $x^2$ is a solution. (d) $x^3$ is not a solution.