Question

Sabendo que A =1 0 -1 1 e B= 2 5 3 -1 determine x tal que A.X=B?

Answer 1

A.x=B
10-¹¹.x=25⅓
10x-¹¹=25⅓
5×2x-¹¹=(5²)⅓
5¹×2x-¹¹=5⅔
2x-¹¹=5⅔/5
2x-¹¹=5⅔×¹/5
2x-¹¹=5⅔×5-¹
2x-¹¹=5²-³
2x-¹¹=5-¹
X-¹¹=1/5.½
X-¹¹=1/10
(X)¹¹ = ¹¹√(-1/10)¹¹
X=-1/10