The HCF of polynomials \( \left(x^{2}-2 x+1\right)(x+4) \) (II) and \( \left(x^{2}+3 x-4\right)(...

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The HCF of polynomials \( \left(x^{2}-2 x+1\right)(x+4) \)
(II) and \( \left(x^{2}+3 x-4\right)(x+1) \) is
(a) \( (x+4)(x-1) \)
(b) \( (x+1)(x+4) \)
(c) \( (x+1)(x-4) \)
(d) \( \left(x^{2}-1\right)(x+4) \)
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