1、Rn(x) = o((x-a)^n)
2、Rn(x) = f(n+1)(a+θ(x-a))(1-θ)^(n+1-p)(x-a)^(n+1)/(n!p)
3、Rn(x) = f(n+1)(a+θ(x-a))(x-a)^(n+1)/(n+1)!
4、Rn(x) = f(n+1)(a+θ(x-a))(1-θ)^n (x-a)^(n+1)/n!
5、Rn(x) = [f(n+1)(t)(x-t)^n
6、e^(iπ) + 1 = 0
7、f(x) = exp(−1/x²)
8、y=a^xy'=a^xlna
9、y=arccosx y'=-1/√(1-x^2)
10、y=a^(x+△x)-a^x=a^x(a^△x-1)
