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Hey, I need to find the limit of this:

\lim_{x\to1}(\frac{x-1}{x^2-x-2})^2

By substituting 1 in place of x, I get:

\frac{0}{4}=0

But I suspect that's incorrect, how do I go about solving...

Thanks! That was very helpful.

Can someone please tell me whether these are correct / how to fix them if they aren't?

(a) (a-b)^8

= a^8 - 8a^7b - 28a^6b^2 - 56a^5b^3 - 70a^4b^4 - 56a^3b^5 - 28a^2b^6 - 8ab^7 + b^8

(b) ...

I need an example of a software disaster, something like the failure of Ariane 5 Flight 501. Obviously I could just Google for one, but since that's what everyone else in my class will be doing, I'd...

It depends on the kind of thermometer, but I imagine that it would explode if you were to heat it beyond a maximum temperature.

This is called 'the Monty Hall problem'. Research that term and you will have your answer.

The 120 miles is only mentioned to show that the two distances are the same. i.e. they drove the same distance at 40mph as they did at 60mph.

This means that you can find the average of the two...

Do you understand what fallacies are (particularly logical fallacies when it comes to scientific thought), and what critical thinking is? Investigate the meaning of each and you should be able to see...

Did you mean two separate equations?

2y=-7

\frac{4x-7y}{3x}=10

In which case:

2y=-7

No, I was building off your answer, and saying that the vehicle does not necessarily need to be driven for the odometer to count upwards (e.g. turning your engine off whilst going downhill), and that...

Yes, it should work. In fact, I believe it is even possible to install a fresh copy of Windows 7, select the '30 day trial' option whilst installing, and then 'upgrade' from that by reinserting the...

Ah, thanks, found it, it was indeed Nu Flow by Big Brovaz ( http://www.youtube.com/watch?v=OI5TDaYXkWg ).

Click Tools > Add-Ons > Extensions tab and see if there is anything in there that may be adding extra options.

The distance a vehicle has travelled, usually in miles or kilometres.

There was a pop song a few years ago (around 2000 - 2005) which had a music video with three black guys and three black girls singing a song in a carnival, and there were hats and masks involved.
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