jika A = B^T dan B^T adalah transpos matriks B, nilai a + b=....
Jawab:
matriks
kesamaan
transpos
A = B^t
maka
i) a + 2b = -8
ii) 6 = 3a --> a = 2
i) a + 2b = - 8
2b = - 8 - a
2b = - 8 - 2 = -10
b = - 5
nilai a + b =
= 2 + (-5)
= - 3