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find the sum of even numbers between 1001 and 10,000 (Arithmetic progressions) 

 Jul 27, 2020
 #1
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Use the formula for an AP:

 

Sum =[First term + Last term] / 2 x  Number of terms

Sum =[1002 + 10000] / 2 x  4500 =24,754,500

 Jul 27, 2020

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