Let's study "Mathematics" with each other! (8) - Science - MyEnglishClub

Let's study "Mathematics" with each other! (8)

Posted by Sahar on September 15, 2011

Lim ([x]+[x^2]+…+[x^100])=? (Where x→ō )

-50
0
50
100

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Replies

Zahra November 10, 2011 22:00

Thanks dear Sahar for the interesting discussions you provide for us.

Have a nice time

:)
- Sahar > Zahra November 11, 2011 14:26
  
  You are welcome!
  
  And thanks for your time, dear.
  
  You are always good at solving all kinds of puzzles.
Zahra November 10, 2011 21:59

I guess -50 is the answer.

The even powers of x give zero.

The odd powers of x give -1.

Since we have 50 odd terms in the lim, so we have -1*50= -50
- Sahar > Zahra November 11, 2011 14:24
  
  Well done!
  
  It is right exactly.

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