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# need help with this

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1. it is from chapter function
2. here the question.
3. (Original post by Akhito Kanbara)
here the question.
it is the question 13
4. (Original post by Akhito Kanbara)
it is the question 13
How far have you got? What is your working so far?
5. I do not even know how to start TT
6. (Original post by Akhito Kanbara)
I do not even know how to start TT
OK, let's get you started. For the first part, thinking informally at first, what bits of the expression dominate the others as ? It's the terms isn't it? So what do you think the limit will be? To make this formal, divide top and bottom of the expression by and think about what happens as

The second part assumes the answer to the first part is that both limits are finite. If that is true, are there are any finite values of x where that function is going to blow up to infinity? How might that happen?

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