Question

The nth term AP of the sequence is 2n - 3. Is the sequence an A.P? If so find its 8th term.​

Answer 1

Answer:

If we put n=1,n=2,n=3, then

T(n)=2n-3

T(1)=2-3=-1

T(2)=4-3=1

T(3)=6-3=3

There is common difference d=2

So, it is in A.P.

T(8)=16-3=13