Question

Calcular |A| si: A=[−72114]

Answer 1

Respuesta:

1 Simplifica  7\times \frac{1}{4}7×

4

1

​

  a  \frac{7}{4}

4

7

​

.

-\frac{7}{4}-1\times 2

−

4

7

​

−1×2

2 Simplifica  1\times 21×2  a  22.

-\frac{7}{4}-2

−

4

7

​

−2

Simplifica.

-\frac{15}{4}

−

4

15

​