Solution:
As per the given question,
Consider,
Again consider,
From equation (1) and (2) \[AB\text{ }=\text{ }BA\text{ }=\text{ }{{0}_{3\times 3}}\]
Solution:
As per the given question,
Consider,
Again consider,
From equation (1) and (2) \[AB\text{ }=\text{ }BA\text{ }=\text{ }{{0}_{3\times 3}}\]