Given
To write in logarithmic form we convert exponential form to logarithmic form
We apply the following rule
can be written as
here b = 6 , x=4 and a = 1296
can be written as
option A is correct
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B = 5
Because you must subtract like terms first:
B+9=14
-9 -9
= =
0 5
So, B = 5