Question

expand using the suitable identity : (2x - 3y)²

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Answer 1

Answer:

4x2 + 9y2 - 12xy

Step-by-step explanation:

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Answer 2

Answer :

Identity = (a-b)^2 = a^2 + b^2 - 2ab

On substiting a=2x and b=3y , we get

(2x-3y)^2 = 4x^2 + 9y^2 - 12 xy