Let \[{{A}_{n}}\] be the sum of the first n terms of the geometric series \[704+\frac{704}{2}+\frac{704}{4}+\frac{704}{8}+......\]and \[{{B}_{n}}\] be the sum of the first n terms of the geometric series \[1984+\frac{1984}{2}+\frac{1984}{4}+\frac{1984}{8}+......\] If \[{{A}_{n}}={{B}_{n}},\]then the value of n is (where \[n\in N\]).

Let \[{{A}_{n}}\] be the sum of the first n terms of the geometric ser

1.	Let \[{{A}_{n}}\] be the sum of the first n terms of the geometric series \[704+\frac{704}{2}+\frac{704}{4}+\frac{704}{8}+......\]and \[{{B}_{n}}\] be the sum of the first n terms of the geometric series \[1984+\frac{1984}{2}+\frac{1984}{4}+\frac{1984}{8}+......\] If \[{{A}_{n}}={{B}_{n}},\]then the value of n is (where \[n\in N\]).
A.	4
B.	5
C.	6
D.	7
Answer» C. 6

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