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Thursday, 6 February 2020
Algebraic Formulae- Expansion of Squares (Formula)
(a+b)
^{2}
= a
^{2}
+ 2ab + b
^{2}
.
(a-b)
^{2}
= a
^{2}
– 2ab + b
^{2}
.
(a
^{2}
– b
^{2}
) = (a+b) (a-b)
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