Question

Find the 5th term ofSn = 4h + 5n

Answer 1

Given the equation of the sequence:

`S_n=4n+5n`

To find the 5th term, substitute with n = 5

So,

`S_5=4\cdot5+5\cdot5=20+25=45`

So, the answer will be the 5th term = 45