Discuss / Python / 对一元二次方程一脸懵逼,全还给老师了

对一元二次方程一脸懵逼,全还给老师了

Topic source

Denis618

#1 Created at ... [Delete] [Delete and Lock User]

哪位兄dei能指点一二

NanLINz

#2 Created at ... [Delete] [Delete and Lock User]

拿笔算下: ax^2 +bx +c = 0 (2ax)^2 +4abx +4ac = 0 (2ax)^2 +4abx +4ac +b^2= b^2 (2ax+ b)^2 = b^2-4ac x1 = (-b+math.sqrz(b^2-4ac))/2a x2 = (-b-math.sqrz(b^2-4ac))/2a


  • 1

Reply