Question

identity (2a-3b)(2a-3b)​

Answer 1

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Answer 2

Answer:

Let a= 2a

Let b= 3b

Acc. To Identity:

(A-B)(A-B)= (A-B)²

(2a-3b)²

(A-b)²= a² - 2ab + b²

(2a)²- 2 × 2a × 3b + (3b)²

4a²-2 × 6ab + 9b²

4a²- 12ab+9b²

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