Τρεις Βασικές ταυτότητες
Presentation
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Eleni Assargiotaki
FREE Resource
4 Slides • 1 Question
1
Τρεις βασικές ταυτότητες στα μαθηματικά Γ Γυμνασίου
Καθηγήτρια: Ασσαργιωτάκη Ελένη
2
(α+β)2 = α2+2αβ+β2
(α-β)2 = α2-2αβ+β2
(α+β)(α-β) = α2-β2
3
Multiple Choice
Ισχύει: (3x+y)2
3x2+y2
9x2+6xy+y2
3xy
3x2+6xy+y2
4
Μία Εφαρμογή...
Να υπολογίσετε την παράσταση
Α = 1001⋅999
5
Η απόδειξη..
(α-β)2 = (α-β)(α-β) = α2- βα - αβ+ β2 = α2-2αβ+β2
Τρεις βασικές ταυτότητες στα μαθηματικά Γ Γυμνασίου
Καθηγήτρια: Ασσαργιωτάκη Ελένη
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