1. Skew symmetric
2. Sysmmetric
3. Skew hermitian
4. Hermitian
Hermitian
1. Unitary matrix
2. Orthogonal matrix
3. Unit matrix
4. None of these
Orthogonal matrix
1. Involutory
2. Orthogonal
3. Nilpotent of index
4. Idempotent
Idempotent
1. 0
2. 1
3. 2
4. 3
2
1. Equal to r
2. Greater than or equal to r
3. Less than r
4. Less than or equal to r
Greater than or equal to r
1. 0
2. 1
3. Greater than 1
4. -1
1
1. 5
2. 0
3. 1
4. 2
5
1. 0
2. 1
3. 2
4. 3
1
1. a+b+c≠0
2. a+b+c=0
3. a=1,b=1,c=-2
4. none of these
a+b+c≠0
1. x=4,y=-1,z=4
2. x=-1,y=4,z=4
3. x=-1,y=-1,z=4
4. x=4,y=4,z=-1
x=-1,y=4,z=4