<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
	 xmlns:media="http://search.yahoo.com/mrss/" 
	>
<channel>
	<title>
	Các bình luận về: Đề: Trong không gian với hệ tọa độ \(Oxyz\), cho \(\overrightarrow a  = \left( {2; &#8211; 1;1} \right)\),  \(\overrightarrow b  = \left( {1;m;1} \right)\left( {m \in \mathbb{R}} \right)\). Tìm \(m\) để \(\overrightarrow a \) vuông góc với \(\overrightarrow b \).	</title>
	<atom:link href="https://booktoan.com/de-trong-khong-gian-voi-he-toa-do-oxyz-cho-overrightarrow-a-left-2-11-right-overrightarrow-b-left-1m1-rightleft-m-in-mathbbr.html/feed" rel="self" type="application/rss+xml" />
	<link>https://booktoan.com/de-trong-khong-gian-voi-he-toa-do-oxyz-cho-overrightarrow-a-left-2-11-right-overrightarrow-b-left-1m1-rightleft-m-in-mathbbr.html</link>
	<description>Học toán, Đề thi toán, Sách giáo khoa Toán, trắc nghiệm Toán online</description>
	<lastBuildDate>Wed, 29 May 2019 14:56:48 +0000</lastBuildDate>
	<sy:updatePeriod>
	hourly	</sy:updatePeriod>
	<sy:updateFrequency>
	1	</sy:updateFrequency>
	<generator>https://wordpress.org/?v=7.1.3</generator>
</channel>
</rss>
