Question

Calculati a la 2 si a la 3 , unde a= (1+0,1)+(1+o,2) +(1 +0,3)+....+(1+ o,9)

Answer 1

1,1+1,2+1,3+1,4+1,5+1,6+1,7+1,8+1,9=13,5
13,5^2=182,25
13,5^3=2460,375