Question
Download Solution PDFযদি x + 4, 3x2 + kx + 8 এর একটি উৎপাদক হয় তাহলে k এর মান কত হবে?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFঅনুসৃত ধারণা:
যদি p(x) একটি ফলন হয় এবং (x - a), p(x) এর একটি উৎপাদক হয় তাহলে, p(a) = 0 হবে
গণনা:
x + 4 হল 3x2 + kx + 8 এর একটি উৎপাদক, তাই x = -4 এই সমীকরণের একটি সমাধান হবে
⇒ 3(-4)2 + k(-4) + 8 = 0
⇒ 4k = 48 + 8
⇒ k = 14
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