Problem

Problem

If a=log⁡2412a = \log_{24} 12 , b=log⁡4836b = \log_{48} 36 and c=log⁡3624c = \log_{36} 24 , 1+abc1 + abc is equal to a. 2ab2ab b. 2bc2bc c. 2ca2ca d. ba+bcba + bc

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