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[µo°Ý]¦h¶µ¦¡­¼¿n©Mªº¤½¦¡¼gªk¡Ci=1~1025¡A£U(P^i)*(1-P)^i

¦^´_ 6# Baracuda
§Ú¨S²z¸Ñ¿ùªº¸Ü , §A¯u¥¿­nªº¤½¦¡¬O¤£¬O
k=1025
¨Ï¥ÎªÌ¿é¤JP®É , ¨D i=1~k¡A£UCombin(k,i)*(P^i)*(1-P)^(k-i) ªº­È?

­Y¬Oªº¸Ü , ¤W¦¡¤Sµ¥¦P©ó
(1-P)^k*£UCombin(k,i)*(P/(1-P))^i     ,  (i=1~k)
°²³]¨Ï¥ÎªÌ¦bA1¦ì¸m¿é¤JP , ¦bB1¿é¤Jk
C1¨D¨ä­È¥i¼g°µ  =POWER(1-A1,B1)*SERIESSUM(A1/(1-A1),1,1,COMBIN(B1,ROW(INDIRECT("A1:A"&B1))))
·íµMB1ª½±µ´«±`¼Æ¤]¥i¥H

¥HA1=1E-6, B1 = 1025¬°¨Ò , ¸Ó¦¡ºâ¥Xµª®×¬°0.001023951

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¦^´_ 7# stillfish00
§ó¥¿¤@¤U­n¥Î ctrl+shift+enter  ¼Æ²Õ¤½¦¡
A1=1E-6, B1 = 1025¬°¨Ò , ¸Ó¦¡ºâ¥Xµª®×¬°0.001024475

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¦^´_ 8# stillfish00
­A²Â¤F , ¶¤@¤j°é®Ú¥»¥i¥H¤ÆÂ²¦¨ =1-POWER(1-A1,B1)

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