Question

1. Tentukan nilai x dan y dari persamaan berikut
[2x....3]............[6.........3]
[4......5].....=.....[4....3y-1]

2. Diketahui matriks A= [1....2]......B=[5....8]
.........................................[-1....3]......….[1....3]
tentukan :
a. A x B
b. (A - B) + B
c. A^2 + B^2 = (A + B)^2

Answer 1

1. Matriknya udah sama:
Jadi,
2x = 6
x = 3

5 = 3y-1
3y = 6
y = 2

2.
a.


b.


c.