Given That Log 8 5 = 0 $\log _ { 8 } \left( \frac { 121 } { 5 } \right)$

Given that log 8 5 = 0.7740 and log 8 11 = 1.1531, evaluate the expression $\log _ { 8 } \left( \frac { 121 } { 5 } \right)$ by using properties: For positive real numbers b , r and s , where b $\neq$ 1, and for any real number p , $\log b r s = \log b r + \log b s$ $\log b \frac { r } { s } = \log b r - \log b s$ $\log b r ^ { p } = p ( \log b r )$

A) 1.6556
B) 1.5322
C) 1.5243
D) 3.0802
E) 1.5843

Correct Answer:

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