A rectangular prism's height is #x+1#. its volume is #x^3+7x^2+15x+9#. If height and width of the prism are equal, what is its width?
1 Answer
Jan 3, 2017
Width of the prism is
Explanation:
As the volume of a rectangular prism, whose length is
As the volume of rectangular prism is
and height is
we can have its length by dividing
Dividing
But as volume is
which is possible if
Hence width is
Note that volume is
and length is