1} Find the sum of first 50 odd natural number
2} a=5 d=0 n =207 an=?
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1. Sum = 1 + 2 +3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 + 25 + 27 +29 + 31 + 33 +35 +37 + 39 + 41 + 43 +45 + 47 + 49 = 2500
2. since, an= a*n
therefore, an=5*207
2. since, an= a*n
therefore, an=5*207
Answered by
1
1. 50 odd natural numbers are 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 + 25 + 27 + 29 + 31 + 33 + 35 + 37 + 39 + 41 + 43 + 45 + 47 + 49 + 51 + 53 + 55 + 57 + 59 + 61 + 63 + 65 + 67 + 69 + 71 + 73 + 75 + 77 + 79 + 81 + 83 + 85 + 87 + 89 + 91 + 93 + 95 + 97 + 99 = 2500
2.an = 1035
2.an = 1035
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