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Linear Interpolation Definition and Formula:
Definition of Linear Interpolation provided by wikipedia:
In mathematics, linear interpolation is a method of curve fitting using linear polynomials to construct new data points within the range of a discrete set of known data points.
If the two known points are given by the coordinates, the linear interpolant is the straight line between these points. For a value x in the interval , the value y along the straight line is given from the equation of slopes.