If $\int_{0}^{1}\left(x^{2}-2 x+1\right) d x$ is evaluated numerically using trapezoidal rule with four intervals, the difference between the numerically evaluated value and the analytical

value of the integral is equal to________ (round off to three decimal places).

If $\int_{0}^{1}\left(x^{2}-2 x+1\right) d x$ is evaluated numerically using trapezoidal rule with four intervals, the difference between the numerically evaluated value and the analytical

value of the integral is equal to________ (round off to three decimal places).

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