الشريف محمد أمزيان: math

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المميز هو عدد ثابت نرمز له ب  <span style="background-color: white; color: #333333; font-size: 13px; line-height: 19.399999618530273px; margin: 0px; padding: 0px;">Δ ،  و</span><b style="background-color: white; color: #333333; font-size: 13px; line-height: 19.399999618530273px; margin: 0px; padding: 0px;"> </b>يحسب إنطلاقا من معاملات المعادلة التربيعية ( المعادلة من الدرجة الثانية بمجهول واحد ) أو ثلاثية الحدود ذات الشكل النموذجي : ax² + bx + c .</div>
<br style="font-family: Tahoma, Helvetica; font-size: 16px; margin: 0px; padding: 0px; text-align: left;" /><span style="background-color: white; font-family: Tahoma, Helvetica; font-size: 16px; text-align: left;">بحساب القيمة العددية للمميز يمكن أن نحل المعادلات من النوع ax² + bx + c = 0، و سنميز بين ثلاث حالات ممكنة للعدد </span><span style="background-color: white; color: #333333; font-family: Tahoma, Helvetica; font-size: 13px; line-height: 19.399999618530273px; margin: 0px; padding: 0px; text-align: left;">Δ</span><span style="background-color: white; font-family: Tahoma, Helvetica; font-size: 16px; text-align: left;"> :</span><br />
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<li style="margin: 0px; padding: 0px;">إذاكان <span style="background-color: white; color: #333333; font-size: 13px; line-height: 19.399999618530273px; margin: 0px; padding: 0px;">Δ </span>سالبا قطعا فإن المعادلة ax² + bx + c = 0  لا تقبل أي حل في IR .</li>
<li style="margin: 0px; padding: 0px;">إذاكان <span style="background-color: white; color: #333333; font-size: 13px; line-height: 19.399999618530273px; margin: 0px; padding: 0px;">Δ </span>منعدما فإن المعادلة ax² + bx + c = 0 تقبل حلا وحيدا في IR.</li>
<li style="margin: 0px; padding: 0px;">إذاكان <span style="background-color: white; color: #333333; font-size: 13px; line-height: 19.399999618530273px; margin: 0px; padding: 0px;">Δ </span>موجبا قطعا فإن المعادلة  ax² + bx + c = 0 تقبل حلين في يسميان جدري المعادلة IR</li>
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<span style="font-family: Tahoma, Helvetica; font-size: 16px; margin: 0px; padding: 0px; text-align: left;"><span style="background-color: white; color: #333333; font-size: 13px; line-height: 19.40399932861328px; text-align: right;">ي هذا الدرس نشرح طريقة المميز لحل معادلة من الدرجة الثانية بمجهول واحد عن طريق مجموعة من الأمثلة و التمارين المحلولة :</span></span><br />
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تمارين تطبيقية  +  الحلول :</h2>
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<span style="background-color: #f0f0ff; color: #222222; font-family: Tahoma, Helvetica; font-size: 13px;">    حل في IR المعادلات التالية :</span><br style="color: #222222; font-family: Tahoma, Helvetica; font-size: 13px; margin: 0px; padding: 0px;" /><div class="separator" style="clear: both; color: #222222; font-family: Tahoma, Helvetica; font-size: 13px; margin: 0px; padding: 0px; text-align: center;">
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<u style="background-color: white; color: #333333; font-family: Tahoma, Helvetica; font-size: 13px; line-height: 19.40399932861328px; margin: 0px; padding: 0px;">حل المعادلة رقم 1</u><span style="background-color: white;"><span style="color: #333333; font-family: Tahoma, Helvetica; font-size: x-small;"><span style="line-height: 19.40399932861328px;"> :</span></span><div class="separator" style="clear: both; color: #333333; font-family: Tahoma, Helvetica; font-size: 13px; line-height: 19.40399932861328px; text-align: center;">
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<u style="margin: 0px; padding: 0px;">حل المعادلة رقم 2</u> :</div>
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<u style="margin: 0px; padding: 0px;">حل المعادلة رقم 3</u> :</div>
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<u style="margin: 0px; padding: 0px;">حل المعادلة رقم 4</u> :</div>
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<u style="color: #333333; font-family: Tahoma, Helvetica; font-size: 13px; line-height: 19.40399932861328px; margin: 0px; padding: 0px;">حل المعادلة رقم 5</u><span style="color: #333333; font-family: Tahoma, Helvetica; font-size: 13px; line-height: 19.40399932861328px;"> :</span></div>
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<span style="color: #333333; font-family: Tahoma, Helvetica; font-size: x-small;"><span style="line-height: 19.40399932861328px;">لا تنسو مشاركة الدرس مع أصدقائكم</span></span></div>
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