October 2018 2 90 Report

proszę o obliczenie i wytłumaczenie - dzis mam kartkówke a nie moge wciaz dobrze tego zakumać

a) log a 8 = -3

b) log a 1/8 = -2

c) log2 48 - log2 3 =

d) log 5 3/5 - log 5 375 =

e) x=log12 4 + log12 36'

f) x = log9 0,(6) - log9 2

g) x= log2/5 40 + log 2/5 1/100


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