Answer :

Answer:

11

Step-by-step explanation:

Q = 3^(x+2) + 3^(x+1) + 3^x/3^x

= 3^x * 3² + 3^x*3 + 3^x/3^x (a^(b+c) = a^b* a^c)

= 3^x(3²+3+1)/3^x = 9+4 = 11

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