Question

3.
The product of the cofactors of 3 and -2 in
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Answer 1

Answer:

The product of the cofactors of 3 and -2 is -1

Step-by-step explanation:

A cofactor is a number that is obtained by eliminating the row and column of a particular element which is in the form of a square or rectangle. The cofactor is preceded by a negative or positive sign based on the element’s position.

The product of the cofactors of 3 and -2  = +3+(-2)

                                                                    = +(3-2)

Now we have the matrix that does not have 2. We can easily find the determinant of a matrix of which will be the cofactor of 2. Multiplying the diagonal elements of the matrix, we get.

The product of the cofactors of 3 and -2  =  -1

Co-factors are the number you get when you eliminate the row and column of a designated element in a matrix, which is just a grid in the form of a square or a rectangle. The co-factor is always preceded by a negative (-) or a positive (+) sign, depending on whether the number is in a + or – position.

The product of the cofactors of 3 and -2  =  -1

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