תשובה: # דלתא = 1 # הסבר: # ax ^ 2 + bx + c = 0 # # דלתא = sqrt (b ^ 2-4 * a * c) "מפלה" # # # x ^ 2-3x + 2 = 0 # # a = 1 ";" b = -3 ";" c = 2 # # דלתא = sqrt ((- 3) ^ 2-4 * 1 * 2) # דלתא = # דלתא = sqrt (9-8) # # דלתא = sqrt 1 # # דלתא = 1 #
