设y=χ 2 ln(1+2χ),求y (5)
【正确答案】正确答案:y (5) =C 5 0 χ 2 [ln(1+2χ)] (5) +C 5 1 2χ[ln(1+2χ)] (4) +C 5 2 [ln(1+2χ)] (3) , 由[ln(1+2χ)]′=
【答案解析】