2013 · Q14
The quantity which must be added to (1−x)(1+x²) to obtain x³ is
Elementary MathematicsAlgebra
- A2x³+3x²+x+1
- B2x³+x²+x−1
- C2x³−x²+x−1
- D−x²+x−1
Explanation
x³−(1−x+x²−x³)=2x³−x²+x−1. Answer C.
The quantity which must be added to (1−x)(1+x²) to obtain x³ is
Explanation
x³−(1−x+x²−x³)=2x³−x²+x−1. Answer C.