(x-2/3y)^2 evaluate by using suitable Identity
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- Answer :-
→ (x - 2/3y)²
- (a - b)² = a² + b² - 2ab
→ (x)² + (2/3y)² - 2 × x × 2/3y
→ x² + 4/9y² - 4x/3y
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