CBSE Class 12 science: Minors and Co-factors Videos | Finding minors and cofactors of determinants

• Define co-factor of an element of matrix.
• Find the cofactors of all the elements of the determinant .
• Define adjoint of a matrix.
• Find the Adj A for matrix A =
• Define singular matrix.
• Show that a matrix A is invertible, if and only if A is non-singular.
• If , verify that (AB)^–1 = B^–1A^–1.
• Find the matrix A, which satisfy the matrix equation,
• Show that A =  satisfy the equation x² – 5x – 14 = 0.
• Find the inverse of A, if

Queries asked on Sunday & after 7 pm from Monday to Saturday will be answered after 12 pm the next working day.