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任意函數f(x),構造兩個函數,g(x),h(x)其中,g(x)=(f(x)-f(-x))/2 h(x)=(f(x)+f(-x))/2由於g(-x)=(f(-x)-f(x))/2=-g(-x)h(-x)=(f(-x)+f(x))/2=h(x)所以g(x)為奇函數,h(x)為偶函數g(x)+h(x)=(f(x)-f(-x))/2 +(f(x…
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