Perplexity Wolfram Focus for Exact Calculations

Select Perplexity's Wolfram focus option to limit retrieval and computation to the Wolfram engine for step-by-step mathematical and physical accuracy.

[Focus: Wolfram] Solve the differential equation y'' + 4y' + 13y = cos(2x) with initial conditions y(0) = 1, y'(0) = 0, and plot the transient vs. steady-state behavior.