if 2x+1is a factor of polynomial 2x2-x-1 then find the other factor
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one root is given =-1/2
from eqn
sum of roots=1/2
let other root be m
m+(-1/2)=1/2
m=1
other factor =(x-1)
from eqn
sum of roots=1/2
let other root be m
m+(-1/2)=1/2
m=1
other factor =(x-1)
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