9. Evaluate the following double integral (a) analytically, and (b) using the trapezoid rule with 4 panels. 2 4 1-S f(x -3y2 +xy' )dxdy -20

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Numerical Integration

In a mathematical investigation, numerical integration comprises a wide group of calculations for computing the mathematical estimation of definite integral, and likewise, the term is moreover in some cases used to depict the numerical solution of differential equations. The most important aspect of this theory is error analysis.