Respuesta :
The answer for a should equal to -3 in the equation given
Solution:
(1/9)^(a+1)=81^(a+1) x 27^(2-a), then the answer would be a=-3.
Solution:
(1/9)^(a+1)=81^(a+1) x 27^(2-a), then the answer would be a=-3.