A.\(1\)
B.\(0\)
C.\(2\)
D.\(3\)

A.\({S_n} = {u_1}.\dfrac{{1 - {q^n}}}{{1 - q}}\)
B.\({S_n} = {u_1}.\dfrac{{1 - {q^n}}}{{q - 1}}\)
C.\({S_n} = {u_1}.\dfrac{{{q^n}}}{{q - 1}}\)
D.\({S_n} = {u_1}.\dfrac{{{q^n}}}{{1 - q}}\)

A.\(\left( { - 1;1} \right)\)
B.\(\left( {0;1} \right)\)
C.\(\left( { - 1;0} \right)\)
D.\(\left( {0; + \infty } \right)\)

A.\(0\)
B.\(1\)
C.\(3\)
D.\(2\)

A.\(4\)
B.\(1\)
C.\(3\)
D.\(2\)

A.\(2\)
B.\(3\)
C.\(1\)
D.\(0\)

A.\({x^m}.{x^n} = {x^{m + n}}\)
B.\({\left( {xy} \right)^n} = {x^n}{y^n}\)
C.\({\left( {{x^n}} \right)^m} = {x^{n.m}}\)
D.\({x^m}.{y^n} = {\left( {xy} \right)^{m + n}}\)

A.\(\dfrac{{ - 7}}{3}\)
B.\(\dfrac{2}{3}\)
C.\(\dfrac{5}{3}\)
D.\(4\)

A.\(1\)
B.\(2\)
C.\(0\)
D.\(3\)

A.\(6\)
B.\(8\)
C.\(9\)
D.\(5\)