[中學] 若k為整數,f(x)=3x^3+10x^2+5x-1,則滿足
若k為整數,f(x)=3x^3+10x^2+5x-1,則滿足|f(k)|/f(k)+|f(k+1)|/f(k+1)=0
之所有可能的k值為何?
敬請詳解?謝謝!
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