hi I cannot do this limit question. The answer is 6 apparently. $\displaystyle \lim_{x\to9}{\frac{x - 9}{\sqrt{x} - 3}$ thanks for your help if anyone can do this. David.
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(x-9)=(sqrt(x)-3)(sqrt(x)+3)
Oh, it does too. Thanks for that. Dave.
You are welcome!