Question
Download Solution PDFb-এর কোন মানের জন্য দ্বিঘাত সমীকরণ 4x2 + bx + 1 = 0-এর সমান মূল বা বীজ থাকবে?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFব্যবহৃত ধারণা:
দ্বিঘাত সমীকরণের সমান মূল থাকলে, বিভেদক শূন্য হবে।
গণনা:
D = 0
অর্থাৎ, (b² - 4ac)
= b² - 4(4)
= b² - 16
এবং
b² - 16 = 0
সুতরাং, b = -4 এবং 4
অতএব, প্রয়োজনীয় মান -4 এবং 4
Last updated on Jun 30, 2025
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