吾明個STEP!!!!!!!!!?

2015-10-17 4:49 pm
= lambdae^(-lambdax){1-sum_(k=1)^(h-1)[((lambdax)^(k-1))/((k-1)!)-((lambdax)^k)/(k!)]}
(10)

= lambdae^(-lambdax){1-[1-((lambdax)^(h-1))/((h-1)!)]}

睇吾明!!!!!!!!!!

回答 (1)

2015-10-17 6:17 pm


收錄日期: 2021-04-18 13:55:18
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