Question

The (n-1th term of an
A.P. is given by
7,12, 17, 22. ...is​

Answer 1

Answer:

The formula generated is 5n +2. Please mark me brainliest. Hope it helps you.

Answer 2

Answer:5n-3

Step-by-step explanation:

First Tern a1=7

Common Difference d=5

We know :   $an=a1+(n-1)d$

So

$a(n-1)=a1+(n-1-1)d\\a(n-1)=a1+(n-2)d$

$a(n-1)=7+(n-2)5\\a(n-1)=7+5n-10\\a(n-1)=5n-3$