2012 · Q60
What is the value of (1.001^3 + 0.999^3)/(1.001^2 - 1.001*0.999 + 0.999^2)?
Elementary MathematicsAlgebra
- A1
- B2
- C3
- D4
Explanation
Using a^3+b^3 = (a+b)(a^2-ab+b^2), the expression equals a+b = 2.
What is the value of (1.001^3 + 0.999^3)/(1.001^2 - 1.001*0.999 + 0.999^2)?
Explanation
Using a^3+b^3 = (a+b)(a^2-ab+b^2), the expression equals a+b = 2.