Question

Determine o valor de “M”. Sendo: *


a) -2

b) -1

c) 1

d) 5

​

Answer 1

$M = (\log_7196-\log_74)-(\log_612+\log_618)\\M=(\log_7\frac{196}{4})-(\log_6(12.18))\\M=(\log_749)-(\log_6216)\\M=(\log_77^2)-(\log_66^3)\\M=(2.\log_77)-(3.\log_66)\\M=2-3\\M=-1$