SableF126238 SableF126238

03-11-2022
Mathematics

contestada

What is (a+b) (a+b) =?What is (a+1) (a+1) = ?What is (a+3) (a+3)=?What is (x+5) ^2=?

What is ab ab What is a1 a1 What is a3 a3What is x5 2 class=

Respuesta :

LawsenH645380 LawsenH645380

03-11-2022

SOLUTION:

Case: Expansion

Method:

[tex]\begin{gathered} a^2+b^2=(a+b)^2 \\ R.H.S\text{ }expansion \\ (a+b)^2 \\ (a+b)(a+b) \\ a(a+b)+b(a+b) \\ a^2+ab+ab+b^2 \\ a^2+2ab+b^2 \end{gathered}[/tex]

Final answer:

FALSE

[tex]a^2+b^2\ne(a+b)^2[/tex]

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