X₁ + 5X₂ +2X3=b₁. 2X₁ + X₂ + X3 =b₂. X₁ + 2X₂ + X3=b3. 3. Suppose y(t)= t ² + Só y(u)sin(t-u)du. 0. Find the Laplace transform of y(t).
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