<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[RSS Feed]]></title><description><![CDATA[RSS Feed]]></description><link>http://direct.ecency.com</link><image><url>http://direct.ecency.com/logo512.png</url><title>RSS Feed</title><link>http://direct.ecency.com</link></image><generator>RSS for Node</generator><lastBuildDate>Thu, 23 Apr 2026 14:39:33 GMT</lastBuildDate><atom:link href="http://direct.ecency.com/created/vectorfunction/rss.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[Arc Length of a Space Curve + Example on Circular Helix]]></title><description><![CDATA[In this video, I extend the formula for the arc length of a 2D plane curve to that of a 3D space curve, both of which can be represented in compact form as the integral of the length of the derivative]]></description><link>http://direct.ecency.com/hive-111030/@mes/arc-length-of-a-space-curve-example-on-circular-helix</link><guid isPermaLink="true">http://direct.ecency.com/hive-111030/@mes/arc-length-of-a-space-curve-example-on-circular-helix</guid><category><![CDATA[hive-111030]]></category><dc:creator><![CDATA[mes]]></dc:creator><pubDate>Fri, 26 Dec 2025 22:45:54 GMT</pubDate><enclosure url="https://images.ecency.com/p/TZjG7hXReeVoAvXt29bbVGMEE7sQ8cjDLQHKvyubK83Fr7fwxWWPZg8BiNdk3BGaferNXoAZ2Q1NciBcLsyN4sf6KqQrN3t3gRx7SYb7Gnbmbvwbof9VD9DwrMhaCkwgsjbzrFSo8EsPBM?format=match&amp;mode=fit" length="0" type="false"/></item></channel></rss>