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	<title>Comments on: Найдите корни уравнения с помощью&#8230;</title>
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		<title>By: Фролова Вероника</title>
		<link>https://ukrreferat.com/questions/najdite-korni-uravneniya-s-pomoshhyu-hellip#comment-313</link>
		<dc:creator><![CDATA[Фролова Вероника]]></dc:creator>
		<pubDate>Sun, 21 Apr 2019 00:00:10 +0000</pubDate>
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		<description><![CDATA[&lt;p&gt;1)Коэффициенты уравнения: a = 1.b = -5.c = 6.&lt;br&gt;D = b^2 - 4ac = -5^2 - 4 * 1 * 6 = 1.&lt;br&gt;D &#062; 0, значит решений два: x = (-b ± D^(1/2))/(2a).&lt;br&gt;D^(1/2) = 1.&lt;br&gt;x1 = (5 + 1) / (2 * 1) = 3.&lt;br&gt;x2 = (5 - 1 ) / (2 * 1) = 2.&lt;br&gt;Ответ: 3, 2.&lt;br&gt;2)Коэффициенты уравнения: a = 1.b = -12.c = 9.&lt;br&gt;D = b^2 - 4ac = -12^2 - 4 * 1 * 9 = 108.&lt;br&gt;D &#062; 0, значит решений два: x = (-b ± D^(1/2))/(2a).&lt;br&gt;D^(1/2) = 10,3923.&lt;br&gt;x1 = (12 + 10,3923) / (2 * 1) = 11,1962.&lt;br&gt;x2 = (12 - 10,3923 ) / (2 * 1) = 0,803848.&lt;br&gt;Ответ: 11,1962, 0,803848.&lt;br&gt;3)Коэффициенты уравнения: a = 1.b = 2.c = -24.&lt;br&gt;D = b^2 - 4ac = 2^2 - 4 * 1 * -24 = 100.&lt;br&gt;D &#062; 0, значит решений два: x = (-b ± D^(1/2))/(2a).&lt;br&gt;D^(1/2) = 10.&lt;br&gt;x1 = (-2 + 10) / (2 * 1) = 4.&lt;br&gt;x2 = (-2 - 10 ) / (2 * 1) = -6.&lt;br&gt;Ответ: 4, -6.&lt;/p&gt;]]></description>
		<content:encoded><![CDATA[<p>1)Коэффициенты уравнения: a = 1.b = -5.c = 6.<br />D = b^2 &#8211; 4ac = -5^2 &#8211; 4 * 1 * 6 = 1.<br />D &gt; 0, значит решений два: x = (-b ± D^(1/2))/(2a).<br />D^(1/2) = 1.<br />x1 = (5 + 1) / (2 * 1) = 3.<br />x2 = (5 &#8211; 1 ) / (2 * 1) = 2.<br />Ответ: 3, 2.<br />2)Коэффициенты уравнения: a = 1.b = -12.c = 9.<br />D = b^2 &#8211; 4ac = -12^2 &#8211; 4 * 1 * 9 = 108.<br />D &gt; 0, значит решений два: x = (-b ± D^(1/2))/(2a).<br />D^(1/2) = 10,3923.<br />x1 = (12 + 10,3923) / (2 * 1) = 11,1962.<br />x2 = (12 &#8211; 10,3923 ) / (2 * 1) = 0,803848.<br />Ответ: 11,1962, 0,803848.<br />3)Коэффициенты уравнения: a = 1.b = 2.c = -24.<br />D = b^2 &#8211; 4ac = 2^2 &#8211; 4 * 1 * -24 = 100.<br />D &gt; 0, значит решений два: x = (-b ± D^(1/2))/(2a).<br />D^(1/2) = 10.<br />x1 = (-2 + 10) / (2 * 1) = 4.<br />x2 = (-2 &#8211; 10 ) / (2 * 1) = -6.<br />Ответ: 4, -6.</p>
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