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Properties of logarithms
1.
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loga a x = x for any real number x,
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2.
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aloga x = x for any positive number x.
For positive real numbers m, n, and any real number r, and a > 0 and a ≠ 1, |
3.
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loga 1 = 0,
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4.
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loga m + loga n = loga (mn),
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5.
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loga m − loga n = loga (m/n) ,
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6.
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loga (mr ) = r loga m. |
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