If $\text{k}$ is a constant, the general solution of $\dfrac{dy}{dx}-\dfrac{y}{x}=1$ will be in the form of

1. $y=x\text{ ln}(kx)$
2. $y=k\text{ ln}(kx)$
3. $y=x\text{ ln}(x)$
4. $y=xk\text{ ln}(k)$