LCM of given polynomials by factorising

1. A.
   $x (x + 2)^2 (x + 3) (x^2 - 2x + 4)$
2. B.
   $x (x - 2)^2 (x - 3) (x^2 + 2x + 4)$
3. C.
   $(x + 2)^2 (x + 3) (x^2 - 2x + 4)$
4. D.
   $(x - 2)^2 (x - 3) (x^2 - 2x + 4)$

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1. A.
   $(x + 1)^3 (x + 4)(x^2 + x + 1)$
2. B.
   $(x + 4)(x^2 + x + 1)$
3. C.
   $(x + 1)(x^2 + x + 1)$
4. D.
   $(x + 1)^2 (x + 4)(x^2 + x + 1)$

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1. A.
   $(x^2 - y^2) (x^4 + x^2 y^2 + y^4)^2$
2. B.
   $(x^2 - y^2) (x^4 + 2x^2 y^2 + y^4)$
3. C.
   $(x^6 - y^6)$
4. D.
   $(x^6 + y^6)$

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1. A.
   $x^3y^3(x^6-y^6)$
2. B.
   $x^3y^2(x^6-y^6)$
3. C.
   $x^3y(x^6-y^6)$
4. D.
   $xy(x^6-y^6)$

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