Q. Let 𝑋 be a square matrix. Consider the following two statements on 𝑋.
- 𝑋 is invertible.
- Determinant of 𝑋 is non-zero.
Which one of the following is TRUE?
(A) I implies II; II does not imply I.
(B) II implies I; I does not imply II.
(C) I does not imply II; II does not imply I.
(D) I and II are equivalent statements.
Ans: I and II are equivalent statements
Solution:





