**Q3: **

Which of the following matrices is skew-symmetric?

- A
- B
- C
- D

**Q4: **

Which of the following matrices is skew-symmetric?

- A
- B
- C
- D

**Q5: **

Which of the following matrices is skew-symmetric?

- A
- B
- C
- D

**Q6: **

If and are symmetric matrices, does it follow that is also symmetric?

- Ano
- Byes

**Q7: **

Given that the following matrix is skew-symmetric, find the value of .

**Q8: **

Given that the following matrix is skew-symmetric, find the value of .

**Q9: **

Given that the following matrix is skew-symmetric, find the value of .

**Q10: **

Suppose that and are symmetric matrices and that . Does it follow that is also a symmetric matrix?

- Ayes
- Bno

**Q11: **

Find the value of which makes the following a symmetric matrix.

**Q12: **

Find the value of which makes the following a symmetric matrix.

**Q13: **

Find the value of which makes the following a symmetric matrix.

**Q14: **

The non-zero eigenvalues of a real, skew-symmetric matrix are .

- Apurely real
- Bnon-negative
- Cpurely imaginary

**Q15: **

Which of the following matrices is symmetric?

- A
- B
- C
- D

**Q16: **

Which of the following matrices is symmetric?

- A
- B
- C
- D