If the HCF of the polynomials \( x^{2}+p x+q \) and \( x^{2} \) \( +a x+b \) is \( x+l \), then ...

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If the HCF of the polynomials \( x^{2}+p x+q \) and \( x^{2} \)
\( +a x+b \) is \( x+l \), then their LCM is.
(a) \( (x+a-l)(x+l-p) \)
(b) \( (x-(l+a))(x+l-p)(x+l) \)
(c) \( (x+a-l)(x+p-l)(x+l) \)
(d) \( (x-1+a)(x-p+l)(x+l) \)
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