Question
Download Solution PDFদ্বিঘাত সমীকরণ 5x2 + 7x + 4 = 0 এর কী ধরনের মূল আছে?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত:
5x2 + 7x + 4 = 0
সূত্র:
D = b2 - 4ac
গণনা:
D = b2 - 4ac
a = 5
b = 7
c = 4
⇒ b2 - 4ac
⇒ 49 - 4 x 5 x 4
⇒ 49 - 80
⇒ - 31
⇒ b2 - 4ac = - 31
⇒ b2 - 4ac < 0
অতএব, কোন বাস্তব মূল নেই।
সঠিক উত্তর হল বিকল্প 2
Last updated on Jun 30, 2025
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