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設f(x)=|x²-4|，求f'(2)=？356Please respect copyright.ＰＥＮＡＮＡxLe25Gi9mI
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我會不會下手重了點www 不太老少咸宜356Please respect copyright.ＰＥＮＡＮＡhr1ghu4kSa
8964 copyright protection352ＰＥＮＡＮＡJVHePqQeF9 維尼

但這題的答案蠻簡單的356Please respect copyright.ＰＥＮＡＮＡzWQLAbYQNy
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