Question

I already studied concept of this type of ques in my sheets for jee Question 8 plz explain this and how to derive the equation of plane in intercept form

Answer 1

Consider an equation ax^2+bx+c=0
subtract c on both sides
ax^2+bx=-c
divide both sides with -c
ax^2/c+bx/c=1
we can rewrite it as given on picture