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IF a^x=b,b^y=c,c^z=a,x=(logba)^(k1),y=(l...

IF `a^x=b,b^y=c,c^z=a,x=(log_ba)^(k1),y=(log_cb)^(k2),z=(log_ac)^(k3)`, find the minimum value of `3k_1+6k_2+12k_3`.

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