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#1 Help Me ! » abstract algebra » 2009-12-12 15:04:57

lovelyl
Replies: 1

A relation R is defined on ordered pairs of positive real numbers by (x,y) ∈ R(u,v) iff xv=yu.. Show that R is an equivalence relation. Describe the equivalence class of (2,4).

#2 Help Me ! » complex numbers » 2009-12-12 03:55:00

lovelyl
Replies: 1

given that  z = 8i express z in the polar form and obtain the three cube roots of 8i in polar form.

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