Question

In
a
sequence, if an=n2+4, then
find
a3
​

Answer 1

$\sf\small\underline\red{Given:-}$

$T_{n} = {n}^{2} + 4$

$\sf\small\underline\red{Find:-}$

T2 you need to put 2 in the place of n, and you multiply 2 into 2 and you will get 4 and plus it 4 you will get 8.

$\sf\small\underline\red{Solution:-}$

$T_{n}$

Put,

$n = 2 \: in \: t_{n}$

We get,

$T_{2} = 8$