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10 cards from this deck
n!r!(n−r)!\frac{n!}{r!(n-r)!}r!(n−r)!n!
∣x∣<1|x| < 1∣x∣<1 and n∈Rn \in \mathbb{R}n∈R
1+nx+n(n−1)2!x21 + nx + \frac{n(n-1)}{2!}x^21+nx+2!n(n−1)x2
Yes, if ∣x∣<1|x| < 1∣x∣<1
13,983,81613,983,81613,983,816
59,13659,13659,136
1.2641.2641.264
1−2x+4x21 - 2x + 4x^21−2x+4x2
240240240
666
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