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Grade 1010 grade maths

if (x+m) is the HCF of the functions x^2+ax+b & x^2+cx+d then show that their LCM is x^3+(a+c-m)x^2+(ac-m^2)x+m(a-m)(c-m)

Profile image of Sneha Manoharan
12 Years agoGrade 10
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1 Answer

Profile image of Sher Mohammad
12 Years ago
HCF*LCM=(x^2+ax+b )* (x^2+cx+d)
(x+m)*LCM=x^4+(a+c)x^3+(b+d)x^2+bd
LCM=x^4+(a+c)x^3+(b+d)x^2+bd/((x+m))
dividing gives
LCM=x^3+(a+c-m)x^2+(ac-m^2)x+m(a-m)(c-m)

sher mohammad
b.tech, iit delhi