का मूल्य क्या है?

  1. 0
  2. -ab
  3. ab
  4. इनमें से कोई भी नहीं

Answer (Detailed Solution Below)

Option 2 : -ab
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धारणा:

प्राथमिक पंक्ति या स्तंभ रूपांतरण आव्यूह के सारणिक के मूल्य को नहीं बदलते हैं।

गणना:

R2 → R2 – R1, R3 → R3 – Rलागू करके हमें मिलता है

अब C3 के साथ विस्तार करके

= 1 (0 – ab) – 0 + 0 = -ab

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