问题
填空题
函数y=(x2+1)ex的导数为______.
答案
∵函数y=(x2+1)ex,∴y′=(x2+1)′ex+(x2+1)(ex)′=2x?ex+(x2+1)ex=(x2+2x+1)ex,
故答案为 y′=(x2+2x+1)ex.
函数y=(x2+1)ex的导数为______.
∵函数y=(x2+1)ex,∴y′=(x2+1)′ex+(x2+1)(ex)′=2x?ex+(x2+1)ex=(x2+2x+1)ex,
故答案为 y′=(x2+2x+1)ex.