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Teal147 Teal147
  • 18-05-2018
  • Mathematics
contestada

What is the sum of the series?

5
​ ∑ 2j
j=1

Respuesta :

Аноним Аноним
  • 18-05-2018
Substituting for values of j:-

S5  =  2(1) + 2(2) + 2(3) + 2(4) + 2(5)  =  2+4+6+8+10  =  30 answer
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