Log {(a+b) /3} =1/2(loga +logb) log{(a+b) /3} = 1/2(logab) log{(a+b)/3} = (logab) ½(a+b) /3 = (ab)½ squaring on both sides(a²+b²+2ab) /9 = aba²+b²+2ab ...
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