Question on: JAMB Mathematics - 2011
If log318 + log33 - log3x = 3, Find x.
A
1
B
2
C
o
D
3
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Correct Option: B
log({3}^{18}) + log({3}^{3}) - log(_{3}^{x}) = 3
log({3}^{18}) + log({3}^{3}) - log(_{3}^{x}) = 3log33
log({3}^{18}) + log({3}^{3}) - log(_{3}^{x}) = log333
log3((\frac{18 \times 3}{X})) = log333
(\frac{18 \times 3}{X}) = 33
18 x 3 = 27 x X
x = (\frac{18 \times 3}{27})
= 2
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