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Expression ( a+b)^2 = ?
Expression ( a+b)^2 = ?
a^2 +2ab +b^2
a^2 -2ab +b^2
a^2 + b^2
None
Explanation
The formula of (a+b)
whole square says (a + b)2 = a2 + 2ab + b2.
ND-21-5-2023