import math
def quadratic(a, b, c): x = b*b - 4*a*c if x >= 0: y1 = (-b + math.sqrt(x))/ (2*a) y2 = (-b - math.sqrt(x))/ (2*a) else: return "无实根" return y1, y2
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diska本尊
def quadratic(a, b, c): x = b*b - 4*a*c if x >= 0: y1 = (-b + math.sqrt(x))/ (2*a) y2 = (-b - math.sqrt(x))/ (2*a) else: return "无实根" return y1, y2