" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Jeśli ma jedno miejsce zerowe to delta wynosi 0
Δ=0 a=1,b=c, c=c
Δ=b²-4ac
Δ=c²-4×1×c
Δ=c²-4c
Δ=0 więc c²-4c=0
c(c-4)=0
c=0∨c=4