Example: Fit a polynomial of degree two and find the approximate value of f(0.8). Find the...

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Example: Fit a polynomial of degree two and find the approximate value of f(0.8). Find the relative error occured at the point x = 0.8 where f(x) = 2 In(x + 1). Xi Yi 0.5 0.446287 0.6 0.614969 0.9 1.186654 1.0 1.386294 1.1 1.585985 1.2 1.783996 1.4 2.170378 1.5 2.357310 4 Example: Fit a polynomial of degree two and find the approximate value of f(0.8). Find the relative error occured at the point x = 0.8 where f(x) = 2 In(x + 1). Xi Yi 0.5 0.446287 0.6 0.614969 0.9 1.186654 1.0 1.386294 1.1 1.585985 1.2 1.783996 1.4 2.170378 1.5 2.357310 4