Question

Determinati suma elementelor multimii {x ∈ N | 1 < x ≤ $2^{100}$

Answer 1

2+3+4+5+ ..........................2¹⁰⁰ = $\frac{2^{100}(2^{100}+1) }{2}-1=2^{99}(2^{100}+1)-1$