PartyBaby
PartyBaby PartyBaby
  • 17-02-2019
  • Mathematics
contestada

Please help, thank you.

Please help thank you class=

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 17-02-2019

Answer:

x =8

Step-by-step explanation:

3 ln 4 = 2 ln x

Divide by 2

3/2 ln 4 = 2/2 ln x

3/2 ln 4 = ln x

Remember that 4 = 2^2

3/2  ln 2^2 = ln x

We know that ln x^a = a ln x

3/2 * 2 ln 2 = ln x

3 ln 2 = ln x

We know that ln x^a = a ln x

ln 2^3 = ln x

ln 8 = ln x

Raise each side to e

e ^ ln 8 =  e^ ln x

8 = x

Answer Link
jelyakin jelyakin
  • 17-02-2019

Answer:

Step-by-step explanation:

3ln(4)=2ln(x)

ln(64)=ln(x^2)

64=x^2

x=+-8

x=8

-8 is not a solution.

Answer Link

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