WAEC - Mathematics (2001 - No. 10)
The nth term of a sequence is \(2^{2n-1}\). Which term of the sequence is \(2^9?\)
3rd
4th
5th
6th
ব্যাখ্যা
\(T_{n} = 2^{2n - 1}\)
\(2^{2n - 1} = 2^9\)
\(2n - 1 = 9 \implies 2n = 9 + 1\)
\(2n = 10 \implies n = 5\)
The 5th term = 2\(^9\)