Question

1)The nth term of 3.7, 11, 15___is
(a) 4n-1
6) 4n+1
(c) 4n+3
(d) 3n+1​

Answer 1

hope this helps u

answer aₙ=4n-1

given ap

3,7,11,15

here a = 3

        d = 4

       n=n

aₙ=a+(n-1) *d

     = 3+(n-1) *4

     = 3+4n-4

aₙ = 4n-1