If the polynomials \( f(x)=x^{2}+9 x+k \) and \( g(x)= \) \( x^{2}+10 x+l \) have a common facto... VIDEO
If the polynomials \( f(x)=x^{2}+9 x+k \) and \( g(x)= \) \( x^{2}+10 x+l \) have a common factor, then \( (k-l)^{2} \). is equal to
(a) \( 9 l-10 k \)
(b) \( 10 l-9 k \)
(c) Both (a) and (b)
(d) None of these
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