import math
def quadratic(a,b,c):
delta = b*b-4*a*c
x1 = (-b+math.sqrt(delta))/2/a
x2 = (-b-math.sqrt(delta))/2/a
if delta < 0:
return none
else:
return x1,x2
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我是一个很好吃的火锅
import math
def quadratic(a,b,c):
delta = b*b-4*a*c
x1 = (-b+math.sqrt(delta))/2/a
x2 = (-b-math.sqrt(delta))/2/a
if delta < 0:
return none
else:
return x1,x2