Let T>0T>0T>0, let a:[0,T]→Ra:[0,T]\to\mathbb{R}a:[0,T]→R be a two-step indefinite weight, and let γ∈R∖{−1,0,1}\gamma\in\mathbb{R}\setminus\{-1,0,1\}γ∈R∖{−1,0,1}. The conjecture asserts that the boundary-value problem…