Logarithm product rule : The logarithm of product of two numbers a and b is the sum of logarithm of a and logarithm of b. This rule is called Logarithm product formula. \[log_a\left(xy\right)=log_a\left(x\right)+log_a\left(y\right)\] For examples \[\log_e{6}=log_e\left(2\ast3\right)=log_e\left(2\right)+log_e\left(3\right)\] \[=0.69314718056+1.09861228867=1.79175946923\] \[log_e\left(6\right)=1.79175946923\] \[\log_{10}{(42)}=log_{10}\left(6\ast7\right)=log_{10}\left(6\right)+log_{10}\left(7\right)\] \[=0.778151250384+0.845098040014=1.6232492904\]…
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