Logaritma.docx
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LOGARITMA Log a xy= log a x + log a y Log a x/ y = log a x- log a y Log a x m= m log a x Log a b = log c b/ log c a Log a b = 1 / log b a N= a x , maka log a N= x
1. 2. 3. 4. 5. 6.
log 2 3x + log 2 8 = 4 log 2 (x+1)+ log 2 4 = 6 log 2 (4-x) + log 2 6 = 3 log 2 (x+4)= 1 + log 2 3x 3 + log 2(x-1) = log 2 x log 3 (7x- 5) = 2 + log 3 (x-1)
1. 2. 3. 4. 5. 6.
log 2 3x + log 2 8 = 4 log 2 (x+1)+ log 2 4 = 6 log 2 (4-x) + log 2 6 = 3 log 2 (x+4)= 1 + log 2 3x 3 + log 2(x-1) = log 2 x log 3 (7x- 5) = 2 + log 3 (x-1)
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