对广义罗尔定理进行了证明，并应用广义罗尔定理讨论了勒让德多项式的零点。
This paper demonstrates the generalized Rolle theorem and discussed the zero of Legendre polynomials.
应用勒让德多项式的加法定理和类似于求傅里叶系数的方法，导出了新展式中系数的普遍表达式。
The method, which we use to derive the general expressions for the new coefficients in the development of gravity anomaly Ag(m, a), is analogous to Fourier's.
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