Question

construir matriz b=(bij) 2x2 tal que b= (2i-j)

Answer 1

b11 = 2.1-1 = 2-1 = 1
b12 = 2.1-2 = 2-2 =0
b21 =2.2-1 = 4-1 = 3
b22 = 2.2-2 = 4-2 = 2

B=| 1 0|
| 3 2|

Answer 2

matriz 2x2 A=|A11 A12| |A21 A22| |A31 A32| A=|2.1-1 2.1-2| |2.2-1 2.2-2| A=|1 0| |3 2|