solve the equation 2x^2-4x=-3 and express the roots in a+bi form._数学解答

solve the equation 2x^2-4x=-3 and express the roots in a+bi form.
太久没做了,忘记怎么算了.

人气：291 ℃　时间：2020-05-14 23:16:37

解答

求根公式,想不起来了用配方法推导一下,最后表示成虚数就对了!