If \( \mathbf{p}, \mathbf{q} \) are two non-collinear vectors such that \( (b-c) \mathbf{p} \tim... VIDEO
If \( \mathbf{p}, \mathbf{q} \) are two non-collinear vectors such that \( (b-c) \mathbf{p} \times \mathbf{q}+(c-a) \mathbf{p}+(a-b) \mathbf{q}=\mathbf{0} \) where \( a, b, c \) are lengths of sides of a triangle, then the triangle is
(a) right angled
(b) obtuse angled
(c) equilateral
(d) right angled isosceles triangle
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