Liệt kê các phần tử tập hợp \(A = \left\{ {\left. {x = \dfrac{{{a^3} + 9{a^2}}}{{10a + 5}}} \right|a \in \mathbb{N},\,\,a \le 2} \right\}\).
A.\(A = \left\{ {0;\,\,\dfrac{2}{3};\,\,\dfrac{{44}}{{45}}} \right\}\)
B.\(A = \left\{ {0;\,\,\dfrac{5}{3};\,\,\dfrac{{44}}{{25}}} \right\}\)
C.\(A = \left\{ {0;\,\,\dfrac{2}{3};\,\,\dfrac{{44}}{{25}}} \right\}\)
D.\(A = \left\{ {0;\,\,\dfrac{2}{3};\,\,\dfrac{{43}}{{25}}} \right\}\)
A.\(A = \left\{ {0;\,\,\dfrac{2}{3};\,\,\dfrac{{44}}{{45}}} \right\}\)
B.\(A = \left\{ {0;\,\,\dfrac{5}{3};\,\,\dfrac{{44}}{{25}}} \right\}\)
C.\(A = \left\{ {0;\,\,\dfrac{2}{3};\,\,\dfrac{{44}}{{25}}} \right\}\)
D.\(A = \left\{ {0;\,\,\dfrac{2}{3};\,\,\dfrac{{43}}{{25}}} \right\}\)
Loga
Hóa Học lớp 12
