grandes-ecoles 2018 Q16

grandes-ecoles · France · centrale-maths2__official Differential equations First-Order Linear DE: General Solution

We assume here that $\lambda = 0$. Solve the differential equation (II.1) $$r^2 z''(r) + r z'(r) - \lambda z(r) = 0$$ on $\mathbb{R}^{+*}$.

We assume here that $\lambda = 0$. Solve the differential equation (II.1)
$$r^2 z''(r) + r z'(r) - \lambda z(r) = 0$$
on $\mathbb{R}^{+*}$.