Answer:
Sum of first 100 positive integers =5050. Now 101 to 200, each term will be 100 more than a certain term in 1 to 100. For example, 101 is 100 more than 1, 102 is again 100 more than 2... And so on till 200 is 100 more than 100.
5050
Step-by-step explanation:
S_n= (n/2)(a_1+a_n)
= (100/2)(1+100)
= (50)(101)
S_n= 5050
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Answer:
Sum of first 100 positive integers =5050. Now 101 to 200, each term will be 100 more than a certain term in 1 to 100. For example, 101 is 100 more than 1, 102 is again 100 more than 2... And so on till 200 is 100 more than 100.
Answer:
5050
Step-by-step explanation:
S_n= (n/2)(a_1+a_n)
= (100/2)(1+100)
= (50)(101)
S_n= 5050