pls answer this question
jisne correct answer diya I mark him brilliant
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(x - 2y )² + (2x- y )²
x² - 4xy + 4y² + 4x² - 4xy + y²
5x² - 8xy + 5y²
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(2x + 5y)² - (x + 3y)²
4x² + 20xy + 25y² - x² - 6xy - 9y²
3x² + 14xy + 16y²
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