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sqrt(x) = +/-x

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by eagleeye » Mon Jun 25, 2012 9:31 am
hey_thr67 wrote:I often get confused about sqrt when is the rersult +ve or -ve
Hi hey_thr67:

In GMATland, sqrt(x) is ALWAYS positive. You may find this post helpful:
https://www.beatthegmat.com/squares-squa ... 13333.html

Let me know if this helps :)
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by Anurag@Gurome » Mon Jun 25, 2012 9:41 am
Refer to the post here >> https://www.beatthegmat.com/contradictor ... tml#476587
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