Yg bisa tolong jawab #PakaiCara

Yg bisa tolong jawab #PakaiCara

Jawaban Terkonfirmasi

Jawab

Determinana C= -6

dengan Sarrus

$det left|begin{array}{ccc}1&2&-1\2&1&1\4&0&2end{array}right leftbegin{array}{ccc}1&2\2&1\4&0end{array}right] ,=$

$p = 1(-1)(2) + 2(1)(4) -1(2)(0) = -2 + 8 +0 = 6\q = (4(-1)(-1) +0(1)(1) +2(2)(2)=4+0+8 = 12\ det = p - q = 6 - 12 = -6$