If is such that and

MATHEMATICS · Single correct · CBSE · Mathematics · Conic Sections · Conic Sections

Problem

If l1l2+λl2l3+μl3l1=0l_1l_2+\lambda l_2l_3+\mu l_3l_1=0 is such that μ=0\mu=0 and λ≠0\lambda\ne0, then it represents (1) A parabola (2) A pair of straight lines (3) A circle (4) An ellipse

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