Question

Solve the equation by finding the exact solution.
ln x − ln 9 = 13

Answer 1

take exponential both sides \[lnx=ln13+ln9\] then \[x=9\cdot e^{13}\]

Answer 2

my bad ignore \[ln13 \] it should be 13

Answer 3

So the correct answer is 13?

Answer 4

the right answer is \[9 \cdot e^{13}\]

Answer 5

Thank you. :)