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x = 1/m
es solucion de la ecuacion
4ˣ + 5/2 - 9/2²ˣ = 0
4ˣ - 9/2²ˣ = -5/2
2²ˣ - 9/2²ˣ = -5/2
2⁴ˣ-9 / 2²ˣ = -5/2
2(2⁴ˣ-9) = -5(2²ˣ)
2(2⁴ˣ)-18 = -5(2²ˣ)
2(2²ˣ)² + 5(2²ˣ) - 18 = 0
(2²ˣ - 2)(2(2²ˣ)+9) = 0
2²ˣ = 2 o 2²ˣ = -9/2
㏒₂(2²ˣ) = ㏒₂(2)
2x = 1
x = 1/2
o sea que 1/m = 1/2 ∴ m = 2
㏒₂(2²ˣ) = ㏒₂(-9/2)
Esta ecuación no tiene solución
POR TANTO
solo salio que m = 2
→ T = m^m+1
T = 2³
∵ T = 8