minif2f-v1 / amc12a-2009-p15

amc12a-2009-p15

open

difficulty 4

credited

Run this goal:./swarm/run.sh --goal amc12a-2009-p15

What it runs

The Lean statement the swarm must prove — kernel-verified at Gate A. The trailing sorry is the open obligation a proof replaces.

goals/amc12a-2009-p15.lean

import Mathlib

set_option maxHeartbeats 0
open BigOperators Real Nat Topology Rat

theorem amc12a_2009_p15 (n : ℕ) (h₀ : 0 < n)
  (h₁ : (∑ k ∈ Finset.Icc 1 n, ↑k * Complex.I ^ k) = 48 + 49 * Complex.I) : n = 97 := by
  sorry

Runs (0)

No runs recorded for this suite yet — they appear here as the swarm attempts the benchmarks.