1985

JEE Main 1985 Mathematics question on Complex Numbers and Quadratic Equations

If a,b,ca, b, c and u,v,wu, v, w are the complex numbers representing the vertices of two triangles such that c=(1−r)a+rbc = (1-r)a + rb and w=(1−r)u+rvw = (1-r)u + rv, where rr is a complex number, then the two triangles
  1. A.
    have the same area
  2. B.
    are similar
  3. C.
    are congruent
  4. D.
    None of these
Show answer

Correct option: B

[1985]

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