(x + y)² = ?
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3
Step-by-step explanation:
x² + y² + 2xy
Answered by
2
Answer:
x^2 + 2xy +y^2
Step-by-step explanation:
(x+y)^2
by using identity (a+b)^2 = a^2 +2ab +b^2
x^2 + 2xy +y^2
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