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Sagot :

Answer:

letter a.

kindly check the image for your reference. hope it helps!

View image Munezjoylyn

The answer is A.

In order to expand the square of the binomial, we will use the special product:

[tex]\boxed{(a-b)^2=a^2- 2ab+b^2}[/tex]

Let [tex]a=2x[/tex] and [tex]b=y.[/tex]

[tex](2x-y)^2=(2x)^2-2(2x)(y)+y^2[/tex]

[tex](2x-y)^2=(2^2)(x^2)-(4x)(y)+y^2[/tex]

[tex]\boxed{(2x-y)^2=4x^2-4xy+y^2}[/tex]

Among the choices, the answer is probably A.

Hope it helps!