Page 60 - Past Year
P. 60
58 | P a g e
3
2
1)
30. Given (x and (x 2) are factors of the polynomial ( ) 2S x x px qx 2 . Find the
values of constants p and q.
4
2
3
31. Given ( )f x x 5x 8x .
(a) Show that (x is a factor of ( )f x .
1)
)
(b) Find the value of a such that ( ) (f x x 1)(x a .
2
2x 1
2
(c) Hence, express as partial fractions.
f ( )
x
4x 2 9x 17
32. Express ( )S x in partial fractions
(x 2)(x 2 1)
2
3
33. Given a polynomial ( )P x mx nx 1with (2x 1) is one of the factors and ( )P x has a
remainder of 4 when divided by (x-1). Determine the values of m and n. Hence, factorize
completely.
34. A polynomial ( ) 2P x x mx nx 8 gives a remainder of 6x 4 when divided by
3
2
x 1 x 2 . Find the values of m and n.
2
2
3
x
35. Given ( )f x x 3x 1 and ( )q x x 3x 5.
1)
(a) Show that (x is a factor of ( )f x .
(b) Find the values of a, b and c such that ( ) (f x x 1)(ax bx ) c by using long
2
division.
q ( )
x
(c) Hence, express as partial fractions.
f ( )
x
2
3
36. The polynomial x mx nx 2x gives a remainder 14 when divided by x and
3
P
1
a remainder 7 when divided by x 2 . Determine the values of the constants m and n.
2
3
P 7x x 2 5 Q x x 2x 2
x
37. Given and .
(a) Show that x 2 is a factor of x .
Q

