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python 自带常数E
解答:
x = Symbol('x')
limit(E,x,0)
解答:
x0 = Symbol('x0') #常数可省略
x = Symbol('x')
limit(x,x,x0)
解答:
x = Symbol('x')
limit((2*x-1),x,1)
解答:
x = Symbol('x')
limit((pow(x,2)-1)/(x-1),x,1)
解答:
x = Symbol('x')
x0 = Symbol('x0') #常数可省略
limit((pow(x,1/2)),x,x0)
解答:
n = Symbol('n')
x = Symbol('x')
limit((pow((1+x),1/n)-1)/(1/n*x),x,0) #等价无穷小