Suppose you want to interpolate the points (−1, 0), (0, 6), (1, 0) and (2, 0) by a polynomial. (a) What will the degree of the interpolating polynomial be? Write down the linear system. Solve the system to get the polynomial. Find the interpolated value at t = 1/2. (b) Write down directly the Lagrange basis interpolation. Simplify the polynomial to get the same answer as (a

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A:

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A:

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A: Using Lagrange interpolating polynomial.

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