Q1:
Find, if it exists, the inverse of the matrix
Q2:
Determine whether the matrix has an inverse by finding whether the determinant is nonzero. If the determinant is nonzero, find the inverse using the inverse formula involving the cofactor matrix.
Q3:
Consider the matrix Determine whether the matrix has an inverse by finding whether the determinant is nonzero. If the determinant is nonzero, find the inverse using the formula for the inverse which involves the cofactor matrix.
Q4:
Determine whether the matrix has an inverse by finding whether the determinant is nonzero. If the determinant is nonzero, find the inverse using the inverse formula involving the cofactor matrix.
Q5:
Which of the below matrices does NOT have an inverse?
Q6:
If is a square matrix and , what is ?
Q7:
Using the formula for the inverse in terms of the cofactor matrix, find the inverse of the matrix