[" 14.If "2^(x)=3^(y)=12^(z)" ,then what...

[" 14.If "2^(x)=3^(y)=12^(z)" ,then what is "(x+2y)/(xy)" equal to "],[[" (a) "z," (b) "1/z],[" (c) "2z," (d) "z/2]]

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