Question

inequação Exponencial ​

Answer 1

Resposta:

2^(x²-1) ≤ 1

2^(x²-1) ≤ 2⁰

x²-1 ≤ 0   a=1,b=0  e c=-1

x²-1=0

x=±√1=±1

+++++++++++++++++(-1)--------------------------(1)+++++++++++++++++++

-1  ≤  x  ≤  1

soma = -1+0+1  = 0