In the adaptive quadrature method,S(a, b) denotes the approximation to

b

f(x)dx

a

using the composite Simpson's rule withn=2.Select the notation for the approximation to the integral using=4.

a) S (a, (a+b/2)) + S((a+b/2), b)

b) S (a, (a+b/2))

c) S((a+b/2), b)

d) S₄ (a, b)