Answer:
a)
, b)
, c)
,
.
Step-by-step explanation:
The volume and the surface area of the sphere are, respectively:


a) The volume of the sphere is:


b) The surface area of the sphere is:


c) The total differentials for volume and surface area of the sphere are, respectively:






Relative errors are presented hereafter:






Answer:
(6x+3) (4x-5) = 24x^2 -30x +12x -15 = 24x^2 -18x -15
I get the same answer. I guess we're both wrong?
Or do they want it reduced to:
8x^2 -6x -5
Step-by-step explanation:
6.666666666667............