tolong kakak mbak butuh bantuan

jawab
K + L - M^t = 1
M^t = I - k - L

M^t  =
elemen pada
b1 k1  →  1 -1 - 2 = -2
b1k2 → 0 - 2 - 0  = - 2
b2k1 → 0 - 3 - 0 = - 3
b2k2 → 1 - 4 - 2 = - 5

maka M  = (M^t)^t
M=
[-2...-3]
[-2..-5]