Respuestas

  • Usuario de Brainly
2013-03-23T23:56:24+01:00

PRIMERO

 

M= 3^a/3-3^a+3^a*3/1 / 3^a/3

 

factor comun 

3^a/3-3^a+3^a*3/1 / 3^a/3

3^a/3-3^a+3^a*3*3/3^a

3^a/3-3^a+9

3^a(1/3-1)+9

3^a(-2/3)+9

(-2)3^(a-1)+9

 

 

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