Hasil integral (3x² + 6x – 8) batas atas 2 batas bawah -3 dx =

by

²₋₃

= (2³ + 3.2² – 8.2) – ((-3)³ + 3(-3)² – 8(-3))
= (8 + 12 – 16) – (–27 + 27 + 24)
= 4 – 24
= –20
  Persamaan bayangan lingkaran x² + y² = 4 bila dicerminkan terhadap garis x = 2