Question

calcule.

a) -3.$\left[\begin{array}{ccc}-1&\pi &\frac{1}{y6} \\0&-4&2\\\end{array}\right]$


b) $\frac{2}{3} \left[\begin{array}{ccc}-6&3x\\0&1\\9x^{2} &-2\\\end{array}\right]$

Answer 1

Resposta:

) -3.

b)

Explicação passo-a-passo:

) -3.

b)