gracious391 gracious391
  • 02-06-2018
  • Mathematics
contestada

what is the sum of odd positive integers less than 50

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durgachetri678 durgachetri678
  • 02-06-2018
S= n/2[2*a+(n-1)*d
Where n=number of terms,a=first term,d=common difference
Putting the values,
S= 25/2[2*1+(25-1)*2]
So the answer is 625
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