Question

${\log }_{4}18$ is

• A. is rational which is not an integer
• B. an integer
• C. odd prime
• D. an irrational number

Answer 1

Answer: (D)

${\log }_{4}18={\log }_{4}2+{\log }_{2}9=\frac{1}{2}+2{\log }_{2}3=\frac{1+4{\log }_{2}3}{2}=$ irrational number.