Question

高数问题求高手解答

Answer 1

2. 这洞局早不纳雀是腊橘普通的高等数学吧？
3. f(x) = xe^x, f'(x) = e^x + xe^x = (x+1)e^x, f''(x) = (x+2)e^x,
...... , f^(6)(x) = (x+6)e^x, ff^(6)(0) = 6