MCQ
If y = `x/"e"^(1 + x)`, then `("d"y)/("d"x)` = ______.
- A`(-2x"e"^(x/(1 + x)))/(1 + x)^2`
- B`(-"e"^(x/(1 + x)))/(1 + x)^2`
- ✓`("e"^(x/(1 + x)))/(1 + x)^2`
- D`(2x"e"^(x/(1 + x)))/(1 + x)^2`
✓
Answer
Correct option: C.
`("e"^(x/(1 + x)))/(1 + x)^2`
C
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