How should I approach this question?


I'm not looking for any solutions here but rather I?m having difficulty figuring out how I should properly approach this question?

Using a Gaussian Quadrature of order 5 to approximate

$\int_{2}^{6} \frac4{x-1} \;\mathrm{d}x $


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  • Wouldn’t it be Sum 5 instead of Sum 6?

  • No, there are 6 Gaussian Quadrature of order 5 and we should sum over all. The number of terms is always one more than the degree of the polynomial.

  • I would say the bounty for your other question is low. It may take about 45 min to an hour to answer the question without using any software.

The answer is accepted.