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(1/2x-1/5y)(1/2x15y)please please please please please please please please please please please please please please please please please please please please please please please pleasetell me the answer.​

Answer»

ANSWER:

(1/2x-1/5y)(1/2x-1/5y)

(1/2x-1/5y)^2

using IDENTITY (a+B)^2=a^2+b^2+2*a*b

(1/2x)^2 + (1/5y)^2 + 2*1/2x*1/5y

1/4x^2 + 1/25y^2 + 1/5xy



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