TNPSC Group 1 · 2021 Preliminary Examination
186. A mason uses the expression \(2x^3+16\) to represent the area of the rectangular floor of a room. If he decides that the length of the room will be represented by \(2(x+2)\) then what will the width of the room be represented in terms of \(x\)?
Answer:
C.
\((x^2-2x+4)\)