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Ответ

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Ответ дан
nafanya2014

a)

формула

m²-2mn+n²=(m-n)²

m=x²;

n=4y²

x⁴-8x²y²+16y⁴=(x²-4y²)²

б)

формула

m²+2mn+n²=(m+n)²

m=(1/4)x²

n=4a

(1/16)x⁴+2x²a+16a²=((1/4)x²+4a)²

в)

формула

m²+2mn+n²=(m+n)²

m=(1/2)a

n=2b

(1/4)a²+2ab+4b²=((1/2)a+2b)²

г)

формула

m²-2mn+n²=(m-n)²

m=ax; n=b

a²x²-2axb+b²=(ax-b)²

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