Question

The term if the term of an arithmetic progression is 4 n square -1minus then the 8th term is

Answer 1

Answer:

an=4n^2-1

Step-by-step explanation:

a8=4×8^2-1

=4×64-1

=256-1

=255.

Answer 2

Answer:

n=8

4n-1

4×8-1

32-1

31

ans 31