(a) At = A (b) At = -A (c) (At)t = A (d) (At)t = -A
2. Negative of matrix is:
(a) (b) (c) (d)
3. Order of identity (unit) matrix is always equal to:
(a) Square matrix
(b) Rectangular matrix
(c) Row matrix
(d) Null matrix
4. Addition of two matrices + is:
(a) (b) (c) (d)
5. Product of is:
(a) (b) (c) (d)
6. Adjoint of is:
(a) (b) (c) (d)
7. If =3, then x is equal to:
(a) 2 (b) 5 (c) 1 (d) 0
8. (AB)-1 =……………………
(a) A-1B-1
(b) B-1A-1
(c) AB
(d) BA
9. (AB)t =………………………
(a) AtBt (b) BtAt (c) AB (d) BA
10. If x + = , then x is equal to:
(a) (b) (c) (d)
Q. 2 (Short Questions)
1.Define matrix.
2.Define column matrix.
3.What is meant by diagonal matrix?
4.Show that, matrix is a singular matrix.
5.Find the multiplicative inverse if B =
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