" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Δ=b² -4ac
Δ=16 -4*1*5
Δ=-4 brak rozwiązań
2x²+7x-4≥0
Δ=b² -4ac
Δ=49 -4*2*(-4)
Δ=81
√Δ = 9
x1= -b -√Δ /2a = -7 -9 /4 = -4
x2= -b + √Δ /2a = -7 + 9 /4 = 1/2