" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1 = 0 ---> równanie sprzeczne, czyli x∈Ф
b) x/ 2x-1 = 4/ x+3 dziedzina równania D = R - {1/2, -3}
x(x+3) = 4(2x-1)
x² + 3x = 8x -4
x² -5x +4 = 0 Δ=25-16 = 9, √Δ=3
x1 = 5 -3 / 2 = 1∈D, x2 = 5 +3 / 2 = 4∈D
x ∈ {1, 4}