Powharmonic series: Difference between revisions
Cmloegcmluin (talk | contribs) |
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<math>3, 9, 27, 81… | <math>3, 9, 27, 81… | ||
</math>An equality involving exponents and logarithms helps us understand why: | </math> | ||
An equality involving exponents and logarithms helps us understand why: | |||
<math>\qquad x^{\log_{b}a} = a^{log_{b}x} | <math>\qquad x^{\log_{b}a} = a^{log_{b}x} | ||
</math> | </math> | ||
* <span><math>\log_{b}x</math></span> gives the power to which <span><math>b</math></span> must be raised to give <span><math>x</math></span> | |||
* whenever <span><math>x</math></span> is a power of <span><math>b</math></span>, <span><math>\log_{b}x</math></span> will be an integer | |||
* whenever <span><math>\log_{b}x</math></span> is an integer, we raise <span><math>x</math></span> to an integer power | |||
* <span><math>x</math></span> increments linearly by 1 | |||
* it takes longer and longer each time for <span><math>x</math></span> to reach the next power of <span><math>b</math></span> | |||
== ln-of-a-powharmonic series == | == ln-of-a-powharmonic series == | ||