Cho \[n \in {N^ * }\] nếu \[|q| < 1\;\]thì:

A.\[\lim \left( {{u_n} + {v_n}} \right) = L + M\]

B. \[\lim \left( {{u_n} + {v_n}} \right) = L - M\]

C. \[\lim \left( {{u_n} - {v_n}} \right) = L + M\]

D. \[\lim \left( {{u_n} - {v_n}} \right) = L.M\]

A.\[\frac{{{a^2}\left( {{2^{100}} - 1} \right)}}{{{2^{100}}}}\]

B. \[2{a^2}\]

C. \[\frac{{{a^2}}}{{{2^{100}}}}\]

D. \[\frac{{{a^2}\left( {{2^{99}} - 1} \right)}}{{{2^{98}}}}\]

A.\[\frac{1}{5}.\]

B. \[ - \frac{4}{5}.\]

C. \[\frac{4}{5}.\]

D. \[ - \frac{1}{5}.\]

A.\[\lim \sqrt[3]{{{u_n}}} = L\]

B. \[\lim \sqrt {{u_n}} = L\]

C. \[\lim \sqrt {{u_n}} = \sqrt L \]

D. \[\lim \sqrt[3]{{{u_n}}} = \sqrt[3]{L}\]

A.\[\lim \frac{{3{u_n} - 1}}{{{u_n} + 1}} = 3\]

B. \[\lim \frac{{3{u_n} - 1}}{{{u_n} + 1}} = - 1\]

C. \[\lim \frac{{3{u_n} - 1}}{{{u_n} + 1}} = 2\]

D. \[\lim \frac{{3{u_n} - 1}}{{{u_n} + 1}} = 1\]

A.\[\lim {u_n} = 0\]

B. \[\lim {u_n} >\lim {v_n}\]

C. \[\lim {u_n} < \lim {v_n}\]

D. \[\lim {u_n} < 0\]