अवकल समीकरण `(dy)/(dx)=e^(x+y)` का व्यापक हल है:
A. `e^(x)+e^(-y)=C`
B. `e^(x)+e^(y)=C`
C. `e^(-x)+e^(y)=C`
D. `e^(-x)+e^(-y)=C`

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1 Answers

Correct Answer - a
दिया है, `(dy)/(dx)=e^(x+y)implies(dy)/(dx)=e^(x)e^(y)`
`implies e^(-y)dy=e^(x)dx`
`implies inte^(-y)dy=inte^(x)dximplies (e^(-y))/(-1)=e^(x)+A`
`implies e^(x)+e^(-y)=-A implies e^(x)+e^(-y)=C`, जहाँ `C =-A`

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