1+2+3....…+100 find the value of each of the following .
Answers
Answered by
0
Answer:
5050
Step-by-step explanation:
As the sequence is in AP
a = 1 d = 1 n = 100 S_n = ?
S_n = n/2 ( 2a + (n-1) d )
= 100/2 [ 2(1) + (100-1) 1]
= 50 [ 2 + 99 ]
= 50 * 101
= 5050
Similar questions