Page 63 - Past Year
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61 | P a g e
7
3
P x
10. (a) p , q ; x 2 3x 1 x
1
2x 2 6x 1 1 1 1
(b)
x 2 3x 1 x 1 x 2 2 3x 1 2 x 1
11. a 2 , b 3
12. (a) a 8
x
(b) P x 1 x 2 x 4
4x 1 1 3 1
(c)
P x x 1 2 x 2 2 x 4
5x 2 17x 17 3 2 5
13.
(x 2)(x 1) 2 x 2 x 1 x 1 2
13x 18 1 3 2
14. P ( ) (x 3) (1 2 ) ,
x
2
x
x
P ( ) x 3 (x 3) 2 1 2x
2
15. p 3 , q ; ( ) (P x x 2)(2x 1)(x
1)
6
16. a 5 , b
2x 2 5x 13 1 1 2
3
17. a 2 , b 5; Third Factor = x ;
P ( ) x 1 x 2 x 3
x
4
9
18. (a) ( ) (P x x 3)(x 2)(x (b) a , b 12, c
1)
2x 1 1 (x 4)
19.
(x 2)(x 2x 4) 4(x 2) 4(x 2x 4)
2
2
2
20. (a) ( ) (Q x x 1)(x 2)(x 5) (b) a 1 , b 3 ; ( ) (P x x 2)(x 3)
4x 3 1 x 4
21.
x 2 x 2x 2 2 x 2 2 x 2x 2
2
2

