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JEE MainMathematicsToughStraight Lines

If x + y = 0, 4x + 5y = 0, 2x + y = 8 are the sides of triangle
ABC, then the line x-2y = 0 passes through

Show answer and solution
x -2y = 0 is altitude as it is perpendicular to 2x + y = 8 and
passes through (0,0)
x-2y = 0 'kh"kZ yEc 2x + y = 8

Source: Grass-G / M-25 Mathematics Paper 7 Jan.docx

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