Math, asked by rishikapatil2008, 10 days ago

1.
Find the square of each of the following:


a. x + 2y

Answers

Answered by Anonymous
0

Answer:

Step-by-step explanation:

We have to apply the following identity: (x + y)^{2} = x^{2} + y^{2} + 2xy

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

              = x^{2} + 4y^{2} + 4xy

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