yankeefrankie3138 yankeefrankie3138 29-03-2024 Mathematics contestada Solve the following initial value problem for r as a function of t. Differential equation: (d²r)/(dt²)=4eᵗi-3e⁻ᵗj+9e³tk. Initial conditions: r(0)=6i+j+3k, (dr)/(dt)|_(t=0)=-3i+5j. Find the value of r(t).
