Question

pake cara kak makasii (✿ ♡‿♡)​

Answer 1

Jawab:

E. 19

C. -20

Penjelasan dengan langkah-langkah:

det P = (8 . 2) - ((-1) . 3)

det P = 16 + 3

det P = 19

det A = [ (3.3.2) + (5.1.-1) + (-1. 2.2) ] - [ (5.2.2) + (3.1.2) + (-1.3.-1) ]

det A = [ (18 - 5 - 4) - ( 20 + 6 + 3) ]

det A = 9 - 29

det A = -20