Khai triển ${{\left( 2x+y \right)}^{5}}$ ta được kết quả là
A.$32{{x}^{5}}+80{{x}^{4}}y+80{{x}^{3}}{{y}^{2}}+40{{x}^{2}}{{y}^{3}}+10x{{y}^{4}}+{{y}^{5}}$.
B.$32{{x}^{5}}+16{{x}^{4}}y+8{{x}^{3}}{{y}^{2}}+4{{x}^{2}}{{y}^{3}}+2x{{y}^{4}}+{{y}^{5}}$.
C.$2{{x}^{5}}+10{{x}^{4}}y+20{{x}^{3}}{{y}^{2}}+20{{x}^{2}}{{y}^{3}}+10x{{y}^{4}}+{{y}^{5}}$.
D.$32{{x}^{5}}+10000{{x}^{4}}y+8000{{x}^{3}}{{y}^{2}}+400{{x}^{2}}{{y}^{3}}+10x{{y}^{4}}+{{y}^{5}}$.
A.$32{{x}^{5}}+80{{x}^{4}}y+80{{x}^{3}}{{y}^{2}}+40{{x}^{2}}{{y}^{3}}+10x{{y}^{4}}+{{y}^{5}}$.
B.$32{{x}^{5}}+16{{x}^{4}}y+8{{x}^{3}}{{y}^{2}}+4{{x}^{2}}{{y}^{3}}+2x{{y}^{4}}+{{y}^{5}}$.
C.$2{{x}^{5}}+10{{x}^{4}}y+20{{x}^{3}}{{y}^{2}}+20{{x}^{2}}{{y}^{3}}+10x{{y}^{4}}+{{y}^{5}}$.
D.$32{{x}^{5}}+10000{{x}^{4}}y+8000{{x}^{3}}{{y}^{2}}+400{{x}^{2}}{{y}^{3}}+10x{{y}^{4}}+{{y}^{5}}$.
Loga
Hóa Học lớp 12
