Did I miss anything?
P + q = 1, (p + q)^2 = 1, shaded area = (1 - p^2 - q^2) π = 2
所有跟帖:
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PQ=1, 則有,半個陰影=以PQ為直徑的圓=Pi/4
-wxcfan123-
♂
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01/18/2022 postreply
10:10:47