Question

Use a suitable identity to get the product of
(2x +3y)²

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Answer 1

Answer:

(2x+3y)^2

identity suitable - a^2 + b^2 + 2ab

Answer 2

Answer:

(2x +3y)²

By using , (a+b)^2

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

So , (2x +3y)² = (2x)^2 + 2(2x)(3y) + (3y)^2

= 4x^2 + 12xy + 9y^2