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Question

If y=yx+xe, find dydx

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Solution

y=yx+xe if yx=μ
y=μ+xx
dydx=dμdx=e(xe1)(1)
yx=μ xlogy=logu
x+1ydydx+12xlogy=1μdμdx
dμdx=μ(xydydx+12xlogy)(2)
dydx=μxydydx+μ2xlogy+e(xe1)
dydx(yμxy)=μ2xlogy+e(xe1)
dydx=(yyμx)(μ2xlogy+e(xe1))
where μ=yx Answer

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