[微積] 瑕積分
請教一題瑕積分
∞
let f be a continuous real-valued function on R such that ∫ │f(x)│dx
-∞
∞
converges. Defind the function g on R by g(y)=∫f(x)cos(xy)dx
-∞
想請問一下g是連續的嗎?另外lim g(y) always exist?
n→∞
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