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Is it a Identity ?

lvl107
20-Turquoise

Is it a Identity ?

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 5
lvl107
20-Turquoise
(To:lvl107)

and small extension with the above :

Help please with proving - True or False.PNG

Thanks again.

Best regards,

Loi Le.

RichardJ
19-Tanzanite
(To:lvl107)

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)?

lvl107
20-Turquoise
(To:RichardJ)

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

Is it a Identity.PNG

Regards,

Loi Le.

lvl107
20-Turquoise
(To:lvl107)

And by modern convention then :

Is it a Identity.PNG

Regards,

Loi Le.

lvl107
20-Turquoise
(To:lvl107)

and a bit of editing for the above :

Is it a Identity.PNG

Regards.

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