np12533 np12533

18-09-2016
Mathematics

contestada

help! I dont know how to answer this problem!

(2+v)^2

Respuesta :

Jayleen2001 Jayleen2001

18-09-2016

(2+v)^2
(2+v) (2+v)
4 + 2v +2v + v^2
[tex] v^{2} +4v +4[/tex]

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dalendrk dalendrk

18-09-2016

Use:[tex](a+b)^2=a^2+2ab+b^2[/tex]

[tex](2+v)^2=2^2+2\cdot2\cdot v+v^2=4+4v+v^2[/tex]

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