Jawaban:

Matrik

Penjelasan dengan langkah-langkah:

A=(-1 -5 2)

(7 1 -6)

(8 4 6)

a11+a24-a33

(-1 -5 2)x11=(-11 -55 22) +

(7 1 -6) (77 11 -66)

(8 4 6) (88 44 66)

(-1 -5 2)x24=(-24 -120 48) -

(7 1 -6) (168 24 -144)

(8 4 6) (192 96 144)

(-1 -5 2)x33=(-33 -165 66)

(7 1 -6) (231 33 -198)

(8 4 6) (264 132 198)

(-11 -55 22)+(-24 -120 48)-(-33 -165 48)

(77 11 -66) (168 24 -144) (231 33 -198)

(88 44 66) (192 96 144) (264 132 198)

(-11+24+33 -55-120+165 22+48-48)

(77+168-231 11+24-33 -66-144+198)

(88+192-264 44+96-132 66+144-198)

(46 -10 22)

(14 2 -12)

(16 8 12)

Demikian

Semoga membantu dan bermanfaat!