if log3=a and log4=b, express log72 in terms of a and b

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Guest Feb 12, 2015

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if log3=a and log4=b, express log72 in terms of a and b

$log72\\ =log(9*8)\\ =log9+log8\\ =log3^2+log4^{(3/2)}\\ =2log3+1.5log4\\ =2a+1.5b$

Melody Feb 12, 2015

Melody · Answer 1 · 2015-02-12T12:35:45

if log3=a and log4=b, express log72 in terms of a and b

$log72\\ =log(9*8)\\ =log9+log8\\ =log3^2+log4^{(3/2)}\\ =2log3+1.5log4\\ =2a+1.5b$