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Find the cofactor of element -3 in the determinant Δ= 
  • a)
    -4
  • b)
    4
  • c)
    -5
  • d)
    -3
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Find the cofactor of element -3 in the determinant Δ=a)-4b)4c)-5...
The minor of element -3 is given by
 =4(2)-4=4 (Obtained by eliminating R2 and C1)
∴ A21=(-1)2+1 M21=(-1)3 4=-4.
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Find the cofactor of element -3 in the determinant Δ=a)-4b)4c)-5d)-3Correct answer is option 'A'. Can you explain this answer?
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Find the cofactor of element -3 in the determinant Δ=a)-4b)4c)-5d)-3Correct answer is option 'A'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Find the cofactor of element -3 in the determinant Δ=a)-4b)4c)-5d)-3Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Find the cofactor of element -3 in the determinant Δ=a)-4b)4c)-5d)-3Correct answer is option 'A'. Can you explain this answer?.
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