Difference between revisions of "Sums"
From mispar
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[[category: #sum of powers of two]] | [[category: #sum of powers of two]] | ||
[[comment: 1-128]] | [[comment: 1-128]] | ||
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<div class="mw-collapsible mw-collapsed"><math>\scriptstyle\sum_{i=3}^{6} 2^{i-1}</math><div class="mw-collapsible-content"> | <div class="mw-collapsible mw-collapsed"><math>\scriptstyle\sum_{i=3}^{6} 2^{i-1}</math><div class="mw-collapsible-content"> | ||
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== Sum of Powers of Three == | == Sum of Powers of Three == | ||
+ | <div class="mw-collapsible mw-collapsed"><math>\scriptstyle\sum_{i=1}^{4} 3^{i-1}</math><div class="mw-collapsible-content"> | ||
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[[category: #sum of powers of three]] | [[category: #sum of powers of three]] | ||
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== Sum of Powers of Four == | == Sum of Powers of Four == | ||
+ | <div class="mw-collapsible mw-collapsed"><math>\scriptstyle\sum_{i=1}^{3} 4^{i-1}</math><div class="mw-collapsible-content"> | ||
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[[category: #sum of powers of four]] | [[category: #sum of powers of four]] | ||
[[comment: 1-16]] | [[comment: 1-16]] | ||
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Revision as of 10:29, 7 January 2020
Contents
[hide]Sum of Natural Numbers
even number of terms = last term is even
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odd number of terms = last term is odd
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Sum of Evens
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Sum of Odds
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Sum of Powers of Two = Sum of Even-Times-Even Numbers
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Sum of Powers of Three
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Sum of Powers of Four
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