Question: Interpolate the Runge function 1/(1+25x^2) on the interval [1, 1] using 10, 15, 20, and 25 equidistant points and 10, 15, 20, and 25 Chebyshev

Interpolate the Runge function 1/(1+25x^2) on the interval [1, 1] using 10, 15, 20, and 25 equidistant points and 10, 15, 20, and 25 Chebyshev points (using both Chebyshev-Gauss-Lobatto, and Chebyshev-Gauss). Graph the interpolants.

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