Question

Calcule o determinante

Answer 1

a)

$det = 1.1 - log(a). log_{a}(b) \\ = 1 - log(b)$

b)

$det = \\ sen(x).sen(x) - cos(x).( - cos(x)) \\ = {sen}^{2} x + {cos}^{2} x = 1$