Question

If A and B are matrices of order 3 and |A| = 5, |B| = 3, then |3AB| = 27 × 5 × 3 = 405.

विकल्प

• True

• False

Answer 1

This statement is True.

Explanation:

|3AB| = 3³|AB|

= 27|A||B|

= 27 × 5 × 3   ......[∵ |KA| = Kⁿ|A|]