Question

Calculaţi:
a) 1+2 +2^2+ 2^3 + .... + 2^2016;
b) 1+4+4^2 +4^3 +4^4 +....4^2017
c) 1+3+3^2 +3^3 +3^4 + .... + 3^2018,
d) 1 + 5 +5^2 +5^3 +5^4 +......+5^2018
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Answer 1

sper ca te ajuta raspunsul meu!