neontrees63
neontrees63
17-06-2018
Mathematics
contestada
what is the value of this problem?
Respuesta :
mkryukova19
mkryukova19
17-06-2018
Simplest way to solve this problem: substitute the value of i with 1,2,3 and then add all terms.
4*(1/2)¹⁻¹ + 4*(1/2)²⁻¹ + 4*(1/2)³⁻¹ = 4*1 +4*1/2 + 4*1/4= 4+2+1=7
Answer is 7.
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