<?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: CÂU HỎI:
Biết rằng \(\int\left(\cos ^{3} x \cdot \sin 3 x+\sin ^{3} x \cdot \cos 3 x\right) \mathrm{d} x=\frac{a}{b} \cos 4 x+C \text { với } a, b \in \mathbb{Z}, \frac{a}{b}\) là phân số tối giản \((a&#038;lt;0;b&#038;gt;0)\). Tính 2a+b.	</title>
	<atom:link href="https://booktoan.com/cau-hoibiet-rang-intleftcos-3-x-cdot-sin-3-xsin-3-x-cdot-cos-3-xright-mathrmd-xfracab-cos-4-xc-text-voi-a-b-in-mathbbz-fracab.html/feed" rel="self" type="application/rss+xml" />
	<link>https://booktoan.com/cau-hoibiet-rang-intleftcos-3-x-cdot-sin-3-xsin-3-x-cdot-cos-3-xright-mathrmd-xfracab-cos-4-xc-text-voi-a-b-in-mathbbz-fracab.html</link>
	<description>Học toán, Đề thi toán, Sách giáo khoa Toán, trắc nghiệm Toán online</description>
	<lastBuildDate>Fri, 04 Feb 2022 17:00:00 +0000</lastBuildDate>
	<sy:updatePeriod>
	hourly	</sy:updatePeriod>
	<sy:updateFrequency>
	1	</sy:updateFrequency>
	<generator>https://wordpress.org/?v=7.1.3</generator>
</channel>
</rss>
