MathematicsMedium244×since 2002Q4457If Δ\DeltaΔ = \left| {\matrix{ {x - 2} & {2x - 3} & {3x - 4} \cr {2x - 3} & {3x - 4} & {4x - 5} \cr {3x - 5} & {5x - 8} & {10x - 17} \cr } } \right| = Ax³ + Bx² + Cx + D, then B + C is equal to :A-1B-3C9D1Check answerSkip