Question

write the first two term of the sequence whose nth term is tn=3n-4

Answer 1

Tn = 3n - 4
=> a+(n-1)d = - 1 + 3n - 3
=> a + (n-1)d = - 1 + 3(n-1)

Comparing both sides, we get
a= - 1
d = 3

First term = - 1
Second term = 2