Find the sum of the first 200 even positive integers by using the Arithmetic Sum Formula.
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Find the sum of the first 200 even positive integers by using the Arithmetic Sum Formula.

[From: ] [author: ] [Date: 11-05-25] [Hit: ]
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Find the sum of the first 200 even positive integers by using the Arithmetic Sum Formula.?
So whenever I do this problem I get some huge number that I know isn't the right answer. Can someone explain how to do this step by step. Thanks

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2 + 4 + 6 .............

a = 2, d = 2 and n = 200

S_200 = 200/2[2*2 + (200 - 1)2 ]

= 100(4 + 398)

= 40200
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