Show that given quadrature formula has degree of precision

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Reference no: EM131015130

(a) Show that the following quadrature formula has degree of precision equal to 3,

_-1∫¹ f(x) dx = f(-√3 / 3) + f( -√3 / 3).

(b) Approximate the following integral using Gaussian quadrature with n = 2, 3, 5,

1∫^1.5 x² ln x dx.

Reference no: EM131015130

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