Final answer:
The time period of the simple harmonic motion represented by the given equation d²x/dt² + αx = 0 is 2π/√α.
Step-by-step explanation:
The given equation, d²x/dt² + αx = 0, represents a simple harmonic motion. The time period of a simple harmonic motion can be determined using the equation T = 2π/ω, where ω is the angular frequency given by ω = √α.
Comparing the given equation with the equation of motion for simple harmonic motion (d²x/dt² + ω²x = 0), we can see that α is equivalent to ω². Therefore, the time period of the simple harmonic motion represented by the given equation is T = 2π/√α.
Therefore, the correct answer is A) 2π/√α.