Question: Evaluate the following integral (a) Analytically, (b) Romberg integration ( s = 0.5%), (c) The three-point Gauss quadrature formula, and (d) MATLAB quad function: I=

Evaluate the following integral 

(a) Analytically,

(b) Romberg integration (εs = 0.5%),

(c) The three-point Gauss quadrature formula, and 

(d) MATLAB quad function:

I= 0 -0.055x4 +0.86x 4.2x +6.3x + 2 dx -

I= 0 -0.055x4 +0.86x 4.2x +6.3x + 2 dx -

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