Math, asked by kumarikhushi2538, 11 days ago

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Answered by kumariluckyt

2

Step-by-step explanation:

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Answered by Vidisha14

1

Answer:

25a² - 40ab + 16b²

Step-by-step explanation:

Identity - ( a-b )² = a²-2ab + b²

( 5a - 4b )² = (5a)² - (2x5ax4b) + (4b)²

( 5a - 4b )² = 25a² - 40ab + 16b²

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