MATRIX EXERCISE 3.3 QUESTION 7 to 9 CLASS 12 MATHEMATICS, Ex3.3q7, Ex3.3q8, Ex3.3q9,#gurudevclasses

MATRIX EXERCISE 3.3 QUESTION 7 to 9 CLASS 12 MATHEMATICS, Ex3.3q7, Ex3.3q8, Ex3.3q9,#gurudevclasses,
Q 7. (i) Show that the matrix A is a symmetric matrix.
(i) Show that the matrix A is a skew symmetric matrix.
Q 8. For the matrix A , verify that
(i) (A + A’)is a symmetric matrix
(ii) (A – A’) is a skew symmetric matrix
Q 9. Find 1/2 (A + A’) and 1/2 (A – A’) , When A