Question

find the sum of odd positvie integer between 1 nd 199​

Answer 1

Answer:

1+3+5+7+9.......+199

Step-by-step explanation:

n= 100,a=1 l= last term = 199

d=3-1=2

sn=n/2(a+l)

so.

100/2(1+199)

50*200=10000

Answer 2

Answer:

hope its help you...........