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Mathematics
log 4 18 is
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Q. $\log _4 18$ is
Continuity and Differentiability
A
is rational which is not an integer
B
an integer
C
odd prime
D
an irrational number
Solution:
$\log _4 18=\log _4 2+\log _2 9=\frac{1}{2}+2 \log _2 3=\frac{1+4 \log _2 3}{2}=$ irrational number.