three-dimensional space straight line equation calculator
| point a | , | , | |
| point b | , | , | |
| point c | , | , |
| equation of a straight line: | x+y+z+=0 |
equation:
the equation of the straight line is: ax+by+cz+d=0
here:
a = (By-Ay)(Cz-Az)-(Cy-Ay)(Bz-Az)
b = (Bz-Az)(Cx-Ax)-(Cz-Az)(Bx-Ax)
c = (Bx-Ax)(Cy-Ay)-(Cx-Ax)(By-Ay)
d = -(aAx+bAy+cAz).