Question

the nth term of 3,7,11,15..........is​

Answer 1

tn=a+(n-1)d

tn= 3+(n-1)×4

tn=3+4n-4

tn=4n-1

Answer 2

Answer:

3n

d=3

a=3

n=nth

an=a+(n-1)×d

an=3+(n-1)4

an=3+4n-4

an=-1+4n