Question

plz don't scam
Given d=5,S9 =90, find a and Write AP​

Answer 1

Step-by-step explanation:

S9=9/2(2a+(9-1)5)

90=9/2(2a+40)

180=9(2a+40)

20=2a+40

2a=20

a=10

d=5

so

10,15,20,25....

Answer 2

Step-by-step explanation:

hope it helps u

Given d=5,S9 =90, find a and Write AP