20 12 Liaoning College Entrance Examination Mathematics and Science 1 1 How to solve it?
It can be seen that H(X) is an even function. When x=0 or 1 is found, it is all zero. Then, when the function is at (0, 1/2), it has a zero point, and even function zeros are also symmetrical, so it is at (-1/2,0) (0,654).