Q25 Find the particular solutions of the following differential equations :
  1. y' - y = ex, given that y = 1 when x = 0
  2. y' + y = ex, given that y = 1/2 when x = 0
  3. xy' + y = x log x, given that y =1/4 when x=1
  4. xy' - y = log x, given that y = 0 when x = 1
  5. (1 + x2)
    dy / dx
    +2xy =
    1 / 1+x2
    , given that y=0 when x = 1
  6. dy / dx
    + 2y tan x = sin x, given that y = 0 when x = π/3
  7. y' + 2y = e-2x sin x, given that y = 0 when x =0
  8. xy' + y = x cos x + sin x, given that y = 1 when x = π/2


Solution



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