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In a triangle ABC ,right angled at the v...

In a triangle `ABC` ,right angled at the vertex `A` ,if the position vectors of `A, B` and `C` are respectively `3bar(i)+bar(j)-bar(k), -bar(i)+3bar(j)+pbar(k)` and `5bar(i)+qbar(j)-4bar(k),` then the points (p,q) lies on a line

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