correct? Solve: 4log_b (x) = log_b (16)

NEHA

Junior Member
Joined
Oct 27, 2006
Messages
90
Solve: 4log_b (x) = log_b (16)

so:

log_b (x) = 6^4

x = 65536 ?
 
no ...

\(\displaystyle \L 4\log_b{x} = \log_b{16}\)

\(\displaystyle \L \log_b{x^4} = \log_b{16}\)

\(\displaystyle \L x^4 = 16\)

now finish.
 
skeeter said:
no ...

\(\displaystyle \L 4\log_b{x} = \log_b{16}\)

\(\displaystyle \L \log_b{x^4} = \log_b{16}\)

\(\displaystyle \L x^4 = 16\)

now finish.


thank you so much
answer is 2
2^4 = 16
 
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