odpoveď:
# Delta = ± 1 #
vysvetlenie:
# Ax ^ 2 + bx + c = 0 #
# Delta = sqrt (b ^ 2-4 * a * c) "Diskriminačné" #
# X ^ 2-3x + 2 = 0 #
# a = 1 ";" b = -3 ";" c = 2 #
# Delta = sqrt ((- 3) ^ 2-4 * 1 * 2) #
# Delta = sqrt (9-8) #
# Delta = sqrt 1 #
# Delta = ± 1 #
