2010 · Q91
Consider the following statements :
- 1The HCF of x +y and x10-y10 is x + y.
- 2The HCF of x +y and x10 + y10 is x + y.
- 3The HCF of x -y and x10 + y10 is x-y.
- 4The HCF of x – y and x10 – y10 is x-y.
Which of the statements given above are correct ?
Elementary MathematicsAlgebra
- A1 and 2
- B2 and 3
- C1 and 4
- D2 and 4
Explanation
x+y|x¹⁰-y¹⁰ and x-y|x¹⁰-y¹⁰; statements 1 and 4 hold.