Question

sabendo que x = log 5 + log 8 - log 4 calcule o valor de x

Answer 1

x = log 5 + log 8 - log 4 

x = log(10/2) + log2^3 - log2^2

x = log10- log2 + 3log2 - 2log2

x = 1 - 3log2 + 3log2 ==> x = 1 - 0 ==> x = 1