1. y = 3eˣ + x + C
y(0) = 3 + C = 1 => C = -2
y = 3eˣ + x - 2
2. y' = x²/12 - cosx + C₁
y'(0) = -1 + C₁ = 1 => C₁ = 2
y = x³/36 - sinx + 2x + C₂
y(0) = C₂ = 3
y = x³/36 - sinx + 2x + 3
1. y = 3eˣ + x + C
y(0) = 3 + C = 1 => C = -2
y = 3eˣ + x - 2
2. y' = x²/12 - cosx + C₁
y'(0) = -1 + C₁ = 1 => C₁ = 2
y = x³/36 - sinx + 2x + C₂
y(0) = C₂ = 3
y = x³/36 - sinx + 2x + 3