t1 = 7/4
d = -3/4
Tn = 7/4 - 3/4 (n-1)
...
For each arithmetic sequence, determine
a) the value of t1 and d (2 marks)
b) an explicit formula for the general term (2 marks)
c) t20 (2 marks)
7/4, 1, 1/4, -1/2
1 answer