問題
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lim |
x3-27 |
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(x-)(x2+x+) |
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x→3 |
x-3 |
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x→3 |
x-3 |
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lim |
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(x2+x+)=2+3・+9 |
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x→3 |
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=++9=
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lim |
(x-2)(x2+7x+8) |
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——————————————— |
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x→2 |
x2-5x+6 |
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lim |
(x-2)(x2+7x+8) |
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——————————————— |
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x→2 |
(x-) (x-3) |
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lim |
(x2+7x+8) |
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2+7・+8 |
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—————————— |
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—————————— |
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x→2 |
(x-) |
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- |
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=—(++8)=-
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