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标题: 请教一题 [打印本页]

作者: 不系舟 时间: 2005-2-4 00:10 标题: 请教一题

<m:math display=\'block\'>
<m:semantics>
  <m:mrow>
<m:mstyle displaystyle=\'true\'>
<m:munderover>
   <m:mo>∏</m:mo>
   <m:mrow>
   <m:mi>n</m:mi><m:mo>=</m:mo><m:mn>1</m:mn>
   </m:mrow>
   <m:mi>∞</m:mi>
</m:munderover>
<m:mrow>
   <m:mrow><m:mo>(</m:mo>
   <m:mrow>
   <m:mn>1</m:mn><m:mo>−</m:mo><m:mfrac>
      <m:mn>1</m:mn>
      <m:mrow>
      <m:msup>
      <m:mn>2</m:mn>
      <m:mi>n</m:mi>
      </m:msup>

      </m:mrow>
   </m:mfrac>

   </m:mrow>
   <m:mo>)</m:mo></m:mrow>
</m:mrow>
</m:mstyle>
  </m:mrow>
<m:annotation encoding=\'MathType-MTEF\'>
MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbWexLMBbXgBd9gzLbvyNv2CaeHbl7mZLdGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabauaakabbaaaaaaaacXwyJTgapeqaamaarahabaWaaeWaaeaacaaIXaGaeyOeI0YaaSaaaeaacaaIXaaabaGaaGOmamaaCaaaleqabaGaamOBaaaaaaaakiaawIcacaGLPaaaaSqaaiaad6gacqGH9aqpcaaIXaaabaGaeyOhIukaniabg+Givdaaaa@4D51@</m:annotation>
</m:semantics>
</m:math>

作者: ghyhj 时间: 2005-2-4 00:16

despair.gi楼主可否将其编辑或再发一遍biggrin.gi

作者: 不系舟 时间: 2005-2-4 00:21

Originally posted by ghyhj at 2005-2-4 12:16 AM:
despair.gi楼主可否将其编辑或再发一遍biggrin.gi

sorry!
不能显示despair.gi
题目是,求下列数列的极限：（1-1/2）*（1-1/4）*（1-1/8）……*（1-/2^n)

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