Math, asked by vaish2922, 3 days ago

(2xy - 5y)^2 use a suitable identity to get the following products

Answers

Answered by Sirat4

5

Answer:

4x²y² + 25y² - 20xy²

Step-by-step explanation:

(2xy - 5y)²

use (a - b)² = a² + b² - 2ab

(2xy - 5y)²

= (2xy)² + (5y)² - 2(2xy)(5y)

= 4x²y² + 25y² - 20xy²

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