1.

The equation x2−3xy+λy2+3x−5y+2=0 When λ is a real number, represents a pair of straight lines.If θ is the angle between the lines, then cosec2θ= [EAMCET 1992]

Answer»

The equation x23xy+λy2+3x5y+2=0 When λ is a real number, represents a pair of straight lines.If θ is the angle between the lines, then cosec2θ= [EAMCET 1992]




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