Question

Find nth term of sequence 3,5,7,....

Answer 1

Answer:

a=3

d= t2-t1

d=5-3=2

nth term = a(n-1)+d

an=3(n-1 ) +2

= 3n-3+2

nth term = 3n-1

Answer 2

Answer:

2n+1

Step-by-step explanation:

n th term= 3+(n-1)2

3+2n-2

2n+1