是一道英文的
Foranypolynomialfuctionofdegreen,thenthdifferences:
areequal(orconstant)
havethesamesignastheleadingcoefficient
areequaltoa(nx(n-1)...x2x1),whereaistheleadingcoefficient
希望大家能帮我解释下TT
我一点都看不懂
给到例题.
fourthdifference=144
degree4,leadingcoefficient6