Question

(xy+3y)²

plz give answer​

Answer 1

Step-by-step explanation:

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Answer 2

(xy+3y)²

= (xy)² + 2×xy×3y + (3y)²

= x²y² + 3xy² + 9y²

Using the identity,

(a+b)² = a²+2ab+b²

Hope it helps....

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