Question

if the zero of the polynomial x³+2x²-x-2 are length breadth and height of a cuboid then find it's volume​

Answer 1

x²(x+2)-1(x+2)

(x²-1)(x+2)

x= 1,-1

x=-2

considering absolute value as Length , breadth & height

volume = 1×1×2= 2 cubic units