6+π
解:
∫f(x)dx|(-2,2)
=∫f(x)dx|(-2,0)+∫f(x)dx|(0,2)
=∫(2-x)dx|(-2,0)+∫√(4-x²)dx|(0,2)
=(2x-0.5x²)|(-2,0)+[2arcsin(x/2)+x*√(4-x²)/2]|(0,2)
=0-(-4-2)+2*(π/2)
=6+π