Tính tổng: \(S = \dfrac{{{1^4}}}{{1.3}} + \dfrac{{{2^4}}}{{3.5}} + \ldots + \dfrac{{{{10}^4}}}{{19.21}}\)
A.\(\dfrac{{3205}}{{21}}\)
B.\(\dfrac{{2530}}{{21}}\)
C.\(\dfrac{{2305}}{{21}}\)
D.\(\dfrac{{2035}}{{21}}\)
A.\(\dfrac{{3205}}{{21}}\)
B.\(\dfrac{{2530}}{{21}}\)
C.\(\dfrac{{2305}}{{21}}\)
D.\(\dfrac{{2035}}{{21}}\)
Loga
Hóa Học lớp 12
