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    Scalar projection

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    How can I use a scalar projection to show that the distance from a point?

    P[1](x[1], y[1]) to the line 3*x-4*y+5 = 0 is > abs(a*x[1]+b*y[1]+c)/sqrt(a^2+b^2);

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    https://brainmass.com/math/algebra/scalar-projection-468200

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    The trick is to draw a vector B along the line between two points. One is completely arbitrary (x0,y0) and the other is the point on the line (x2,y2) which is closest to the point ...

    Solution Summary

    This solution shows how to use a scalar projection to show that the distance from a point.

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