(a)
\The edge of a cube is
inches.
The possible error is
.
Volume of the cube :
.

Differentiate with respect to
.


Substitute
and
in the above equation.

The maximum possible propagated error in computing the volume of the cube is
.
(b)
\Surface area of the cube :
.

Differentiate with respect to
.

Substitute
and
in the above equation.

The maximum possible propagated error in computing thesurface area cube is
.
(a) The maximum possible propagated error in computing the volume of the cube is
.
(b) The maximum possible propagated error in computing thesurface area cube is
.