x^2-13x+4=0
D=b^2-4ac=(-13)^2-4(1*4)=169-16=153
x^2 - 13x + 4 = 0
a = 1, b = -13, c = 4D = b^2 - 4acD = (-13)^2 - 4 * 1 * 4 = 169 - 16 = 153
ответ: D = 153 .
x^2-13x+4=0
D=b^2-4ac=(-13)^2-4(1*4)=169-16=153
x^2 - 13x + 4 = 0
a = 1, b = -13, c = 4
D = b^2 - 4ac
D = (-13)^2 - 4 * 1 * 4 = 169 - 16 = 153
ответ: D = 153 .