यदि x4 + αx+  βx2 + γx - 1 का एक गुणनखंड (x - 1)3 है, तो इसका अन्य गुणनखंड क्या होगा?

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  1. x + 1
  2. x - 3
  3. x + 2
  4. x

Answer (Detailed Solution Below)

Option 1 : x + 1
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गणना:

(x - 1)3 = x3 - 3x2 + 3x - 1
F1 Vinanti Defence 01.12.23 D11

∴ अन्य गुणनखंड x + 1 है।

Confusion Pointsव्यंजक (α - 4)x3 + βx2 + (γ - 2)x के केवल स्थिर पदों पर ध्यान दीजिए। इसे विभाजित करने के लिए एक गुणनखंड को ज्ञात करने का प्रयास इस प्रकार कीजिए कि इसे -1 से घटाने पर व्यंजक शून्य के बराबर हो जाए।

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