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On expanding by first row the …

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On expanding by first row the value of 3rd order determinant is a 11 A11 + a12 A 12 + a13 A13 write the expression for its value on expanding by second column where Aij is a cofactor of element aij.[CBSE sample paper 2007]

    • Posted by Tushar Sadyan 6 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 0 answers
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