Question

considere que log 2= m e log 7= n e determine

a)log 14
b)log 3,5
c)log 28

Answer 1

a)log(14)
log(2*7)
log2+log7
m+n

b)log(3,5)
log(7/2)
log7-log2
n-m

c)log28
log(2*2*7)
log2+log2+log7
m+m+n
2m+n