WAEC - Mathematics (1998 - No. 10)
The nth term of a sequence is represented by 3 x 2(2-n). Write down the first three terms of the sequence
3/2, 3, 6
6, 3, 3/2
3/2, 3, 1/3
2/3, 3, 8/3
3/2, 0, 6
توضیح
When n = 1, n = 2, n = 3
3 x 22 - 1 = 6
3 x 22 - 2 = 3
3 x 22 - 3 = 3/2
3 x 22 - 1 = 6
3 x 22 - 2 = 3
3 x 22 - 3 = 3/2