Question

anwer as soon as possible and the correct answer win 30 points​

Answer 1

Answer:

I) (2/5x + 5/2y)^2

= (2/5x)^2 +(5/2)^2 +2(2/5x)(5/2y)

=(4/25x^2) +(25/4y^2) +(20/10xy)

Answer 2

Answer:

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