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Solution of diffrential equation dy/dx = -1 is 

  • Option 1)

    x+y = C 

  • Option 2)

    x-y = C 

  • Option 3)

    x+2y =C 

  • Option 4)

    x-2y = C

 

Answers (1)

best_answer

As we have learned

General form of Variable Separation -

d\left ( x+y \right )=dx+dy

-

 

 \frac{dy}{dx} = -1 \Rightarrow dx +dy = 0 \Rightarrow d(x+y)= 0

\Rightarrow \int d(x+y)= C \Rightarrow (x+y) = C

 


Option 1)

x+y = C 

Option 2)

x-y = C 

Option 3)

x+2y =C 

Option 4)

x-2y = C

Posted by

prateek

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