well i have some problems i have tried hard to solve them but wasnt succeed
1- find the equation of the plane throw (2,-1,3) , (-3,4,3) and parallel to the vector <-5,-3,2>
2- find the distance between the two planes 4x-3y+2z-9=0 .
3-find the equation of the plane through (1,2,3) and perpendicular to
3x-y+2z+5=0 , 4x+2y-3z+8=0
help plz my exams is next week