Question

can someone explain me how the next step is k^2=4? how is the exponential solved?​

Answer 1

Step-by-step explanation:

We know that,

e^logₑ x² =  x²

Note that Base of Log is equal to the base (e^logₑ x²)

Now,

e^logₑ k² = 4

k² = 4

k = ± 2