SOLUTION: solve this X for this exercsises: log 4(x)=9/2

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Question 803791: solve this X for this exercsises: log 4(x)=9/2
Answer by MathLover1(20855) About Me  (Show Source):
You can put this solution on YOUR website!

log+%284%2Cx%29=9%2F2+.........in base 10 will be

log+%28x%29%2Flog%284%29=9%2F2+.........cross multiply
2log+%28x%29=9log%284%29+
log+%28x%5E2%29=log%284%5E9%29+ =>
x%5E2=+4%5E9+......=> 4%5E9=512%5E2
x%5E2=+512%5E2+
x=++512+