应用含参量定积分证明Wallis公式

(1.Department of Mathematics,Huaihua Uvinersity,Huaihua 418008,Hunan China;2.Yanglin Middle School of Yueyang County,Yueyang 414115,Hunan China)

摘要：利用一个含参量的定积分，给出了Wallis公式的一个新的证明方法.

关键词： Wallis公式, 含参量定积分, 迫敛性

Abstract: A definite integral with a parameter is applied to design a new way to prove Wallis Formula.

Key words: Wallis formula, definite integral with a parameter, squeeze theorem

何郁波, 王亚, 罗思雯, 彭丽. 应用含参量定积分证明Wallis公式[J]. journal6, 2013, 34(2): 19-21.

HE Yu-Bo, WANG Ya, LUO Si-Wen, PENG Li. Applying Definited Integral with a Parameter to Prove the Wallis Formula[J]. journal6, 2013, 34(2): 19-21.

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