Question

If TN=n and TN =200 find the value of n

Answer 1

Answer:

The given sequence is T

n

=n

2

+4 where T

n

=200.

Substitute T

n

=200 in the sequence T

n

=n

2

+4 as follows:

T

n

=n

2

+4

⇒200=n

2

+4

⇒n

2

=200−4=196

⇒n

2

=196

⇒n=

196

=14

Hence, n=14