find T

Question

8 T9 T10 for each of the following a) 5,8,11,14,... b) 3,5,7,9,... c) -1,2,5,8... d) 4,-1,-6,-11,... e)2,31\2 ,5,61\2

Answer 1

T9 = a+8d
T10 = a+9d
surely you can figure out a (the same as T1)
to find the common difference, just subtract any given term from the following term.

Answer 2

Solve the question