1
Q
a2 - b2 =
A
(a+b)(a-b)
2
Q
a2 + 2ab + b2=
A
(a + b)2
3
Q
a2 -2ab +b2=
A
= (a-b)2
4
Q
(a+b)2=
A
a2 + 2ab + b2
5
Q
(a-b)2=
A
a2 -2ab +b2
6
Q
(a+b)(a-b)=
A
a2-b2
Maths
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Decks in class (4)
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