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Advent calendar 2023
17 December
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If you expand \((a+b+c)^2\), you get \(a^2+b^2+c^2+2ab+2ac+2bc\). This has 6 terms.
How many terms does the expansion of \((a+b+c+d+e+f)^5\) have?
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\((a+b+c+d+e+f)^5\) has
252
terms.
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digital products
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colouring
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cards
multiples
even numbers
median
cryptic crossnumbers
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prime numbers
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floors
algebra
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consecutive integers
quadratics
ellipses
routes
multiplication
rectangles
polygons
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integration
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gerrymandering
sport
odd numbers
volume
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taxicab geometry
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products
geometric mean
menace
doubling
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binary
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