find the sum of 2+4+6+....+200
Answers
Answered by
1
Answer:
Nos from 2 to 200 = (tn- ti)/2 +1
200-2/2 ..... +=100
sum=n/2 {2a +(n-I )d }
100 /2 {2x2 + (100-1) 2}
50 (4+ 198,) = 10 100
Similar questions