Question

sum(5)=(5/2)(2a+4d)=30
4a+4d=12
a+2d=6
a=6-2d
so we can assign any value to d
e.g d=7
then a=6-14=-8
one possible sequance is :
-8,-1,6,13,20
(their sum is 30)
let d=3
a=6-6=0
term are:
0,3,6,9,12
(their sum is 30​

Answer 1

Answer:

hello what is this cunfeusene tell . i dont understand.