Question

What is the answer in an = 4n² - 1

Answer 1

Answer:

Given that:

T

n

=4n

2

−1,T

n

=35

To find:

Value of n=?

Solution:

T

n

=4n

2

−1

or, 35=4n

2

−1

or, 4n

2

=35+1

or, 4n

2

=36

or, n

2

=9

or, n=3

∴ value of n=3