Logarytmy,proszę o zrobienie 2 przykładów.
log5 0,4 = log5 4/10 = log5 2/5 = log5 2 - log5 5 = 0,43 - 1 = - 0,57
log5 0,7 = log5 7/10 = log5 7 - log5 10 = log5 7 - - log5 (2 * 5) ) = log5 7 - (log5 2 - log5 5) =
1,21 - (0,43 - 1) = 1,21 - (-0,57) = 1,21 + 0,57 = 1,78
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log5 0,4 = log5 4/10 = log5 2/5 = log5 2 - log5 5 = 0,43 - 1 = - 0,57
log5 0,7 = log5 7/10 = log5 7 - log5 10 = log5 7 - - log5 (2 * 5) ) = log5 7 - (log5 2 - log5 5) =
1,21 - (0,43 - 1) = 1,21 - (-0,57) = 1,21 + 0,57 = 1,78