Learn about and revise linear number sequences finding the nth term and the common difference with BBC Bitesize KS3 Maths. N35 n 35. The formula for a geometric sequence is a n a 1 r n - 1 where a 1 is the first term and r is the common ratio.
A 16 30.
3 5 t h. Half of 2 gives 1 so the first term of the nth term is n2. Find the nth term of this decreasing linear sequence. Also if we take a closer look we see it could be something else.