Solve the following differential equations using the method of variation of parameters. (a) ay" – xy + y = 2x, x > 0 (b) x²y" – 4.xy + 6y = x², x > 0 %3D (c) ry" - ry + y = x°, y(1) = 1, y'(1) = -1,...

0 (b) x²y" – 4.xy + 6y = x², x > 0 %3D (c) ry" - ry + y = x°, y(1) = 1, y'(1) = -1, r> 0 "/>
Extracted text: Solve the following differential equations using the method of variation of parameters. (a) ay" – xy + y = 2x, x > 0 (b) x²y" – 4.xy + 6y = x², x > 0 %3D (c) ry" - ry + y = x°, y(1) = 1, y'(1) = -1, r> 0