Math, asked by prince200532, 1 year ago

2x-3y =9 .Find the value of 4x2+9y2​

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Answered by Anonymous
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Answered by Anonymous
32

AnswEr :

➟ 2x - 3y = 9

Squaring Both Side

➟ (2x - 3y)² = (9)²

➟ (2x)² + (3y)² - 2 × 2x × 3y = 9 × 9

➟ 4x² + 9y² - 12xy = 81

➟ 4x² + 9y² = 81 + 12xy

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