Question
Write the minors and cofactors of each element of the first column of the following matrices and hence evaluate the determinant in each case :
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Text solutionVerified
Let and represents the minor and co-factor of an element, where and represent the row an column.
The minor of matrix can be obtained for particular element by removing the row and column where the element is present. Then finding the absolute value of the matrix newly formed.
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Question Text | Write the minors and cofactors of each element of the first column of the following matrices and hence evaluate the determinant in each case : |
Answer Type | Text solution:1 |
Upvotes | 150 |