What is least common multiple of x^2 -11x + 30 and x^3-4x^2-2x-15 ?

1. What is least common multiple of x^2 -11x + 30 and x^3-4x^2-2x-15 ?

[25 th BCS Preliminary : 2004]

1. x-5

2. x-6

3. x2+x+3

4. x2-x+3

Answer

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