2009 · Q77
What is the LCM of 3 (a 3 – b 3 ) and 11 (a 4 – b 4 )?
Elementary MathematicsAlgebra
- A33(a 3 – b 3 ) (a 2 + b 2 ) (a + b)
- B(a 3 – b 3 ) (a 2 + b 2 ) (a – b)
- C33 (a – b) (a 2 + b 2 – ab) (a 3 – b 3 )
- D33 (a 3 – b 3 ) (a 4 – b 4 )
Explanation
LCM = 33(a−b)(a+b)(a²+b²)(a²+ab+b²).