Question

jie

請幫幫我 這是SAT 的題目

Answer 1

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@Ganymede＋

r(1)
=(-6)×(-5)×(-4)×(-3)×(-2)×(-1)×0×1×2
×...
=0

@Ganymede＋

but i calculated r(1) using WolframAlpha,

result : product dose not converge

http://m.wolframalpha.com/input/?i=∏+%28-6%2Bk%29%2C+%28k%3D0%2C∞%29