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Math Help - Straight Line

  1. #1
    Member srirahulan's Avatar
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    Post Straight Line

    A straight line intersects x-axis and y-axis respectively at A(7,0) and B(0,-5).A straight line drawn perpendicular to AB meets x-axis at P and y-axis at Q.if AQ and BP intersects each other at R then show that the locus of the R is x^2+y^2-7x+5y=0..... I attached a image of the following instruction Then What i wanna to do?????
    ]Straight Line-img024.jpg
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  2. #2
    MHF Contributor
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    Re: Straight Line

    Hey srirahulan.

    Hint: Have you learned Pythagoras' theorem for right angled triangles?
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