Sometimes math is just beautiful. Today is one of those times. Like several other concepts I've covered previously, this one is quite a bit easier than it looks. It appeared 5 times last year, with a median placement at question # 71.
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Number Dojo Level: TBD
A typical question in this category looks like this:
- Look at the binomial divisor. See what is subtracted from x: in this case, 1.
- Substitute this number for x in the polynomial dividend, and solve: