What is the formula of (x+y)² and (x² + y²)?
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What is the formula of (x+y)² and (x² + y²)?
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Answer:
(x+y)² =
And
(x² + y²) = ( x+y ) (x-y)
Answer:
(x+y)² = (x)² + 2.x.y + (y)²
x² + y² = (x+ y) (x-y)
........ ee loooo (・–・)