Umaiza Hutton

2022-02-17

How to solve this???

ayulyndji

Beginner2022-02-18Added 3 answers

let $\sqrt{x+2}=a,\sqrt{x+7}=b,\sqrt{4x+1}=c$

So,

$\underset{x\to 2}{lim}\frac{\sqrt{x+2}\sqrt{x+7}-2\sqrt{x+7}-3\sqrt{x+2}+6}{x\sqrt{4x+1}-2\sqrt{4x+1}-3x+6}=\underset{x\to 2}{lim}\frac{(a-2)(b-3)}{(x-2)(c-3)}$

Do you know what to do now?)

So,

Do you know what to do now?)

poskakatiqzk

Beginner2022-02-19Added 8 answers

Yes, it helped a lot, thanks

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