Asked by peter
f(x)=px^3 + 6x^2 + 12x + q
given that the remainder when f(x) is divided by (x - 1) is equal to the remainder when f(x) is divided by (2x + 1),
(a) find the value of p.
given also that q = 3, and p has the value found in part (a)
(b) find the value of the remainder.
my working out for (a) is
f(1)=p(1)^3 + 6(1)^2 + 12(1) + q
= p + 6 + 12 + q
= p + 18 = q
then I get stuck. Please help.
given that the remainder when f(x) is divided by (x - 1) is equal to the remainder when f(x) is divided by (2x + 1),
(a) find the value of p.
given also that q = 3, and p has the value found in part (a)
(b) find the value of the remainder.
my working out for (a) is
f(1)=p(1)^3 + 6(1)^2 + 12(1) + q
= p + 6 + 12 + q
= p + 18 = q
then I get stuck. Please help.
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