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Question Number 188366 by a.lgnaoui last updated on 28/Feb/23

$$xlnx=7$$$$x?$$

Answered by mr W last updated on 28/Feb/23

$$e^{\ln x}\ln x=7$$$$\ln x=W\left(7\right)$$$$\Rightarrow x=e^{W\left(7\right)}=\frac{7}{W\left(7\right)}$$$$\approx \frac{7}{1.524345}=4.592136$$

Commented by a.lgnaoui last updated on 01/Mar/23

$$thanks$$

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