Number Theory
1) What is the value of:
1 + 3 + 5 + 7 + 9 +...........+ 35 + 37 + 39
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To find this value, we have to find out how many numbers there are and then square it. The amount of numbers would be 20 as 39 +1 = 40 and 40/2 = 20. Now you square 20 which is 400 and that, is your answer
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