Question
Download Solution PDFजर x + 4 हे 3x2 + kx + 8 चे अवयव असतील तर k चे मूल्य काय आहे?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFवापरलेली संकल्पना:
जर p(x) हे कार्य असेल आणि (x - a) हे p(x) चे अवयव असतील तर, p(a) = 0
गणना:
x + 4 हे 3x2 + kx + 8, so x चे अवयव आहेत = -4 हे समीकरणाचे निरसन असेल
⇒ 3(-4)2 + k(-4) + 8 = 0
⇒ 4k = 48 + 8
⇒ k = 14
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