Question

7. The lines (p-q) x + (q-r) y +(r-p)=0
(q-r)x+r-p) y + (p-q) = 0,
(r-p)x+(p-q)y+(q-r)=0
1) Form an equilaterial triangle
2) Form an Isosceles triangle
3) are Concurrent
4) Form a right angled triangle​

Answer 1

Answer:

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