Toán 11

T

truongvonghia

N

nguyenbahiep1

câu 1

hàm có tính quy luật


[laTEX]f'(x) = (x-1)..(x-2012) + x(x-2)..(x-2012) +x.(x-1)(x-3) ...(x-2012) + ...+ x(x-1)...(x-2011)\\ \\ f'(0) = (0-1)(0-2)(0-3)..(0-2012) + 0+0+..+0 = (-1)^{2012}.2012! = 2012![/laTEX]
 
Top Bottom