Current location - Training Enrollment Network - Mathematics courses - How the fuck do you do this math? You're going to cry! ! Cao Cao
How the fuck do you do this math? You're going to cry! ! Cao Cao
I was also fascinated by the words drawn by the drawing tool.

I checked just now, and the value range of t is wrong. It should be [- 1/4, +∞).

But t=2 and t=3 are still in the range.

x 1=( 1-√ 13)/2,x2=( 1+√ 13)/2,x3=2,x4=- 1