MHT CET202520 Apr 2025Evening ShiftMathematicsDifferential EquationsActual
The particular solution of the differential equation ( dy dx )=0.5, y =1 at x=0 is
Options
- A( 2 x )=1
- B( y x-1 )=0.5
- C( y-1 x )=0.5
- D( y x )=0.5
Correct answer
C. ( y-1 x )=0.5
Step-by-step solution
The differential equation ( dy dx ) = 0.5 is solved by noting that dy dx = ⁻¹(0.5) = 3 , since ( 3 ) = 0.5 . Integrating yields y = 3 x + C . Applying the initial condition y(0) = 1 gives C = 1 , so y = 3 x + 1 . Rearranging, y - 1 x = 3 for x 0 . Taking the cosine of both sides results in ( y - 1 x ) = ( 3 ) = 0.5 , which matches option C . Final answer: C