Question

Find the sum 38+35+32+...+2?

Answer 1

Answer:

1026589

Step-by-step explanation:

hope you understood that what I am trying to

Answer 2

Answer:

a=38, d=35-38= -3 tn=2

Step-by-step explanation:

tn=2

a+(n-1) d=2

38+(n-1)-3=2

-3n+3=2-38

-3n=2-38-3

-3n= -39

n= 39/3=13 ..,,n=13

sn= n/2(a+l)

= 13/2(38+2)

= 13/2 /×40

= 260 ans