cristi4685 cristi4685
  • 14-01-2020
  • Mathematics
contestada

In Exercise, solve the equation.
ex– 1 = 9

Respuesta :

altavistard
altavistard altavistard
  • 14-01-2020

Answer:

x = ln 10

Step-by-step explanation:

You meant e^x - 1 = 9.  Let's isolate e^x, by adding 1 to both sides.  We get:

e^x = 10

Now make use of the property ln a = b  <=> a = e^b

Then e^x = 10 becomes  

x = ln 10

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