Question

if n is equal to 2 n square minus 1 then the value of fourth term is​

Answer 1

Answer:

63 is the fourth term of an=(2n) ^2--1.

explanation:

an=2n^2--1

let n be 4

a4=(2*4)^2--1

a4=(8)^2--1

a4=64--1

a4=63

Answer 2

Answer:

63 is the fourth term of an=(2n) ^2--1.