3 years ago

Limx²-9x+20 x->4 x-4?

1 answer:

3 0

Answer:

-1

Step-by-step explanation:

lim x tends to 4 (x^2-9x+20)/(x-4). (x^2-9x+20)(x-4)=x-5.

So the limit is 4-5=-1

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