Cho các phân thức \(\dfrac{{2{x^2} + 5x}}{{3{x^2} - 6x + 3}};\,\,\,\dfrac{3}{{4{x^2} - 4x}}\). Phân thức \(\dfrac{3}{{4{x^2} - 4x}}\)sau khi quy đồng mẫu là
A.\(\dfrac{{4\left( {x - 1} \right)}}{{12x{{\left( {x - 1} \right)}^2}}}\)
B.\(\dfrac{{9\left( {x - 1} \right)}}{{12x{{\left( {x - 1} \right)}^2}}}\)
C.\(\dfrac{{3\left( {x - 1} \right)}}{{12x{{\left( {x - 1} \right)}^2}}}\)
D.\(\dfrac{3}{{12x{{\left( {x - 1} \right)}^2}}}\)
A.\(\dfrac{{4\left( {x - 1} \right)}}{{12x{{\left( {x - 1} \right)}^2}}}\)
B.\(\dfrac{{9\left( {x - 1} \right)}}{{12x{{\left( {x - 1} \right)}^2}}}\)
C.\(\dfrac{{3\left( {x - 1} \right)}}{{12x{{\left( {x - 1} \right)}^2}}}\)
D.\(\dfrac{3}{{12x{{\left( {x - 1} \right)}^2}}}\)
Loga
Hóa Học lớp 12
