SOLVED:A straight line perpendicular to and passing through a point of tangency of the tangent line is called a normal line to the curve. In Exercises 43 and 44, a) find the equations of the tangent line and the normal line to the curve at the given point, and (b) use a graphing utility to plot the graph of the function, the tangent line, and the normal line on the same screen. The curve y=2 x (1 / √(x)) at the point (1,3).

The equation of a line passing through the point (7, - 4) and perpendicular to the line passing through the points (2, 3) and (1 , - 2 ) is ______ | Shaalaa.com

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