Question

c) Given = (
1 2 3
−1 3 4
2 0 −1
), = (
2 0 1
2 −1 −2
1 1 −1
) = (
1 1 −1
2 1 −2
1 1 1
)
verify the following results (i) ≠ (ii) ( + ) = +

Answer 1

Answer:

-13298=1799= -2221

step by step:

(123-13420-1) = -13298.

(2012-1-211-1) = 1799.

(11-121-2111) = -2221.