The slope m of a straight line that passes through two points P1(x1, y1) and P2(x2, y2) is calculated using the formula: - Write a C++ program to perform the following tasks: Read from an input file the coordinates of 2 points for an unknown number of straight ines (until the end of the input file). Each input line contains 4 real values Y Kand ya for ONE straight line. For each straight line, a function (called Slope) calculates the slope musing the above formula. The function accepts the values Yu. Kand ya as parameters and returns the value of the slopem.

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