CBSE Class 11 Maths Notes: Condition of Collinearity and Equation of Straight Line

If there are three real numbers (other than 0) l, m and n such that
lz₁ + mz₂ + nz₃ = 0 and l + m + n = 0
then complex numbers z₁, z₂ and z₃ will be collinear.

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