Question

(x+2y)² solve it with identity
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Answer 1

$(x + 2y)^{2}$

$= (x)^{2} + (2y)^{2} + 2 \times x \times 2y$

$= {x}^{2} + 4xy + 4 {y}^{2}$

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Answer 2

Answer:

$\large {x}^{2} + 4 {y}^{2} + 4xy$

Step-by-step explanation:

${(a + b)}^{2} = {a}^{2} + {b}^{2} + 2ab$

${(x + 2y)}^{2} = {x}^{2} + 4 {y}^{2} + 4xy$

Hope it helps