Решите вот пример (4xy+0.5y^2)^2=

Question

Решите вот пример (4xy+0.5y^2)^2=

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Answer 1

(4xy+0.5y^2)^2

(4xy)^2+2*4xy*0.5y^2+(0.5y^2)^2
16(xy)^2+4xy^3+0.25y^4