Solve $$$\lambda^{2} - 4 = 0$$$ for $$$\lambda$$$
The calculator will try to solve the equation $$$\lambda^{2} - 4 = 0$$$ for $$$\lambda$$$ (find the real and complex roots).
Your Input
Solve the equation $$$\lambda^{2} - 4 = 0$$$ for $$$\lambda$$$.
Answer
Real roots
$$$\lambda = -2$$$A
$$$\lambda = 2$$$A
Complex roots
It seems that there are no complex roots.