Question

value of (x+y) ²- (x-y) ² is​

Answer 1

(x+y)² - (x-y)² = 4xy

Solution:-

• (x + y)² - (x - y)²
• x² + y² + 2xy - (x² + y² - 2xy)
• x² + y² + 2xy - x² - y² + 2xy
• 4xy

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