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lvl10720-Turquoise
20-Turquoise
February 19, 2012
Question

Is it a Identity ?

  • February 19, 2012
  • 5 replies
  • 3462 views

Hello,

I have a question, wish learning, and need help :

Is it a Identity.PNG

Thanks in advance for time and help.

Best regards,

Loi Le.

5 replies

lvl10720-TurquoiseAuthor
20-Turquoise
February 25, 2012

and small extension with the above :

Help please with proving - True or False.PNG

Thanks again.

Best regards,

Loi Le.

RichardJ19-Tanzanite
19-Tanzanite
February 25, 2012

A sum from n=1 to n makes no sense. Do you mean a sum from n=1 to N (and on the RHS also replace n with N)?

lvl10720-TurquoiseAuthor
20-Turquoise
February 25, 2012

Many thanks for your help, Richard. Yes, I mean :

Is it a Identity.PNG

Regards,

Loi Le.

lvl10720-TurquoiseAuthor
20-Turquoise
February 28, 2012

And by modern convention then :

Is it a Identity.PNG

Regards,

Loi Le.

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