- #1

frozen7

- 163

- 0

How to solve this?

ln ( ln ( ln ((e^x) +4)))=e

ln ( ln ( ln ((e^x) +4)))=e

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- Thread starter frozen7
- Start date

- #1

frozen7

- 163

- 0

How to solve this?

ln ( ln ( ln ((e^x) +4)))=e

ln ( ln ( ln ((e^x) +4)))=e

- #2

Tide

Science Advisor

Homework Helper

- 3,089

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Hint: The exponential function is the inverse of the natural logarithm.

- #3

frozen7

- 163

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e^e = ln ( ln ( e^x +4))

e^e^e = ln (e^x +4)

e^e^e^e = e^x +4

x = 20

Is it correct? Or is there any others more easier way?

- #4

iNCREDiBLE

- 128

- 0

frozen7 said:

e^e = ln ( ln ( e^x +4))

e^e^e = ln (e^x +4)

e^e^e^e = e^x +4

x = 20

Is it correct? Or is there any others more easier way?

Correct. x = ln(e^e^e^e - 4) = 20.08553691561896

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