Let R denote the region x2 + y + z?

Let R denote the region + Y2 22 < fJfR -l f JfR -ly (a) (i) only (b) (ii) only (c) (iii) only (d) (i) and (ii) only (e) (ii) and (iii) only (f) (i) and (iii) only Which of the following gtatementg are true ? %