Math, asked by khannuzhat744, 3 months ago

Expand : ( 2a - 3b )²

4a² + 12ab + 9b²

4a² - 12ab + 9b²

4a² - 12ab - 9b²

Please answer urgently

Answers

Answered by usernametaken8

2

Answer:

(2a - 3b)²

= (2a)² + (3b)² - 2 × 2a × 3b

= 4a² - 12ab + 9b²

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