Question

please solve this question and I will give you branlist mark​

Answer 1

Answer:

4n-1

Step-by-step explanation:

We know,

n

th

term a

n

=a+(n−1)d

a= First term

d= Common difference

n= number of terms

a

n

=n

th

term

Here,

a=3 and d=7−3 or 11−7=4

a

n

=a+(n−1)d=3+(n−1)4

a

n

=4n−1

For 9th term put n=9

T

9

=a

9

=4×9−1=35