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How to find the foot of …

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How to find the foot of perpendicular from a point to a line

    • Posted by Aarya Sharma 7 years, 10 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Chandrashekhar Wankhede 7 years, 10 months ago

    Let (a, b) is given point and pX+qY=r is a given line. Let (c, d) is foot of perpendicular from (a, b) to given line. Now we can find two linear equations in terms of (c, d) . Equation 1- Find slope of line, from this find slope of perpendicular, Equate this slope with slope found from (a, b) and (c, d). Equation 2 - as (c, d) lies on line pX+qY= r, X can be replaced with c and Y can be replaced with d.. Solving both linear equations we can find numerical values of c and d..

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