#binomial expansion 8.2

11 messages · Page 1 of 1 (latest)

hoary copper
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can someone try to make me understand this

image.png
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i dont get what that means when they timed by what looks like a vector

obtuse kraken
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It's another notation for that

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(7 3) is 7C3

hoary copper
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oh

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makes sense now

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thanks

surreal phoenix
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n! / [(n-r)! r!]

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Use /solved if you have no further questions @hoary copper