Question

For each sequence, find the first 4 terms and the 10th form
a) n²+3
b)2n²​

Answer 1

Answer:

Given that: Tn=n+1n2

Then T1=1+112=21,T2=2+122=34,T3=3+132=49,T4=4+142=516

∴ The first four terms of the sequence are 21,34,49,516.