N The sum of the solutions of the equation 9x -6.3+ 8 = 0 is (A) log, 2 (B) log: 6 (C) log: 8 (D) log3 4

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( 0-9^{n}-6 cdot 3^{n}+8= ) Prot ( 3^{n}=+ ) ( t^{2}-6 t+8=0 ) ( t^{2}-2 t-4+18= ) ( (+-2)(t-4)=0 ) ( t=2+-4 ) ( 2^{n}=2 quad 3^{n}=4 ) ( x log 3=log 2 quad ). ( x log 3=2 log 2 ) ( frac{log _{2} 2}{log 3} cdot 2=frac{log _{2} 2}{log _{2}} ) ( n+n_{2}-3 log _{3} 2 )

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