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Ταυτότητες

Authored by San Epifanio

Mathematics

1st Grade

Used 7+ times

Ταυτότητες
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(α+β)2=

α2+2αβ+β2

α2-2αβ+β2

α22

2α+2β

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (αβ)3\left(α-β\right)^3  =

 α33αβ+3αβ2+β3α^3-3αβ+3αβ^2+β^3  

 α33α2β3αβ2+β3α^3-3α^2β-3αβ^2+β^3  

 α33α2β+3αβ2β3α^3-3α^2β+3αβ^2-β^3  

 α33α2β+3αβ2+β3α^3-3α^2β+3αβ^2+β^3  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 α3+3α2β+3αβ2+β3α^3+3α^2β+3αβ^2+β^3  =

 (α+β)3\left(α+β\right)^3  

 (αβ)3\left(α-β\right)^3  

 (α+β)2\left(α+β\right)^2  

 (αβ)2\left(α-β\right)^2  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

α2-2αβ+β2=

(αβ)2\left(α-β\right)^2

(α+β)2\left(α+β\right)^2

α2+β2α^2+β^2

α2β2α^2-β^2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

α22=

α-β

2α-2β

(α-β)(α+β)

(α-β)(α-β)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(2x+1)2=

2x2+4x+1

4x2+1

4x2+4x+1

4x2+2x+1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(-α+β)22-2αβ+β2

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