Question

Qual a matriz x, tal que x+(2 3 -1) =(1 5 2)?
a) (-1 2 3)
b) (1 -2 3)
c) (1 2 -3)
d) (1 2 -3)
e) (0 2 1)

Answer 1

Ola Zeguo

(a b c) + (2 3 - 1 = 1 5 2

a + 2 = 1
a = -1

b + 3 = 5
b = 2

c - 1 = 2
c = 3

(a b c) = (-1 2 3) (A)

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