If k, l and m are the zeroes of the polynomial
6×3 + 5×2+4x–1,
then the value of k–1+ l–1+m–1 is
sum of the roots taken one at a time = -b/a
here, b = 5, a= 6
what we want is, (k+l+m) -3 = -6/5 – 3 = -21/5 is your answer.
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