因式分解:4m²+2mn+1/4n²

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因式分解:4m²+2mn+1/4n²

因式分解:4m²+2mn+1/4n²
因式分解:4m²+2mn+1/4n²

因式分解:4m²+2mn+1/4n²
原式=(2m+n/2)^2

4m^2+2mn+1/4n^2
=(2m+1/2n)^2

4m^2+2mn+1/4n^2
=(2m)^2+2mn+(1/2n)^2
=(2m)^2+2*2*1/2mn+(1/2n)^2
=(2m+1/2n)^2