If the nth term of geometric progression \[5,-\frac{5}{2},\frac{5}{4},-\frac{5}{8},...\] is \[\frac{5}{1024}\], then the value of n is [Kerala (Engg.) 2002]

If the nth term of geometric progression \[5,-\frac{5}{2},\frac{5}{4},

1.	If the nth term of geometric progression \[5,-\frac{5}{2},\frac{5}{4},-\frac{5}{8},...\] is \[\frac{5}{1024}\], then the value of n is [Kerala (Engg.) 2002]
A.	11
B.	10
C.	9
D.	4
Answer» B. 10

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If the nth term of geometric progression \[5,-\frac{5}{2},\frac{5}{4},-\frac{5}{8},...\] is \[\frac{5}{1024}\], then the value of n is [Kerala (Engg.) 2002]

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