交代級数の収束、他の関数の巾級数展開、微分方程式
Alternating series convergence, power series expansion of other functions, and differential equations

数学ⅠB(微積分)
第10回 交代級数の収束、他の関数の巾級数展開、微分方程式
斉藤 毅
Math IB (Differential and Integral Calculus)
#10 Alternating series convergence, power series expansion of other functions, and differential equations
Takeshi Saito