Penulis Topik: Question about square roots!  (Dibaca 1593 kali)

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Question about square roots!
« pada: Juli 20, 2018, 01:11:29 PM »
Hosana in excelcis.

Excuse me ... .

As a real function on non-negative real line, the square root function is a non-negative single-valued-function ... .

As a complex function on complex plane, the square root function is a multi-valued-function ... .

Wassalamu'alaikum warahmatullahi wabarakatuh.



\[ \sum_{j=0}^\infty \frac{1}{j!(n-j)!} = \frac{2^n}{n!} \]