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Explain solution RD Sharma class 12 chapter Determinants exercise multiple choise question 4 maths

Answers (1)

Answer:

Correct option (b)

Solution:

We know that,

Minor of an element can never be equal to cofactor of the same element.

        \therefore c_{ij}=(-1)^{i+j}M_{ij}

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Gurleen Kaur

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