Consider the regular subdivision of the interval [a, b] as a = x0

Extracted text: Consider the regular subdivision of the interval [a, b] as a = x0 < x1="">< x2="">< x3="">< x4="b," with="" the="" step="" size="" h="x+1" f(b)="1,f(x1)" 1,="" then="" the="" approximation="" of="" i="S," f«)dxusing="" composite="" simpson's="" rule="" with="" n="4" is.="" x,="" and="" define="" the="" function="" f="" on="" [a,="" b]="" such="" that="" f(a)="" 1.5,="" f(x2)="f" (x3)="2." suppose="" that="" the="" length="" of="" the="" interval="" ta,="" b]="" is="" o="" 5="" o5/3="" o10/3="" o5/2="" let="" 1="" j.x-cos="" (x)="" dx.="" the="" approxamation="" of="" ng="" the="" hvo="" pont="" gaussan="" quadrature="" formüla="">