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The author has 14 posts.

【水楼】数学句子水楼

Floor 12 巨大八爪鱼 6/22/25 18:13
若f(x-1/x)=x³-1/x³,则函数f(x)的解析式为f(x)=x³+3x,x∈R。
Floor 14 巨大八爪鱼 7/25/25 23:10
已知f(x)的定义域为R,f(1)=1/4,且满足4f(x)f(y)=f(x+y)+f(x-y),则f(2016)=1/2。
Floor 15 巨大八爪鱼 12/16/25 9:26

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