Minor of Matrix Questions 2

In this page minor of matrix questions 2 we are going to see solution of first problem in the quiz of minor matrix. Like this you can see another four questions.

Definition of minor of a matrix:

Let |A| = |[a ij]| be a determinant of order n. The minor of an arbitrary element aij is the determinant obtained by deleting the ith row and jth column in which the element aij stands. The minor of aij by Mij.

Question 2:

Find the minor of the following matrix. Here is the minor of matrix question2

 1 2 3 1 1 1 2 3 4

Solution:

minor of 1

=
 1 1 -1 2

= [4-3]

= 1

minor of 2

=
 1 1 2 4

= [4-2]

= 2

minor of 3

=
 1 1 2 3

= [3-2]

= 1

minor of 1

=
 2 3 3 4

= [8-9]

= -1

minor of 1

=
 1 3 2 4

= [4-6]

= -2

minor of 1

=
 1 2 2 3

= [3-4]

= -1

minor of 2

=
 2 3 1 1

= [2-3]

= -1

minor of 3

=
 1 3 1 1

= [1-3]

= -2

minor of 4

=
 1 2 1 1

= [1-2]            minor of matrix questions 2

= -1

Minor of matrix=

 1 2 1 -1 -2 -1 -1 -2 -1

Questions

Solution

(1) Find the minor of the matrix

 2 1 1 1 1 1 1 -1 2

minor of matrix questions 2

Solution

(3) Find the minor of the matrix

 6 2 3 3 1 1 10 3 4

Solution

(4) Find the minor of the matrix

 1 1 -1 2 -3 4 3 -2 3

Solution

(5) Find the minor of the matrix

 4 2 1 6 3 4 2 1 0

minor of matrix questions 2

Solution

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