Question

if A=[2 3 1
0 -1 5], B= [2 2 -6
0 -1 3]
find 3A-4B​

Answer 1

Step-by-step explanation:

|3AB|= 3^n|AB|……. Using |kA| =k^n|A|.

=3^n|A|×|B| ……….. Using |AB|=|A|×|B|

=3^n×2×3

= 3^n+1 × 2