Page 218 - aljaber
P. 218
RPU@ @†ì‡¨a@pa rØ
(.)
[AHSME 1950] ( )
(x2 − 3x + 2)(x2 − 4x ) = 0
2 1( ) 4 0()
4 2 1() 4 2 1 0( )
: x 3 + 6x 2 + 11x + 6 = 0 [AHSME 1954] ( )
( ) ()
() ( )
: x4 + 4 [AHSME 1953] ( )
x2 −4 ( ) x 2 − 2x + 2 ( ) x + 1 ( ) x 2 + 2 ( )
[MAΘ 1990] ( )
x 3 − 27x2 + 242x − 720 = 0
25 ( ) 20 ( ) 15 ( ) 10 ( )
3()
[AHSME 1953] ( )
(2 − x) = 8
x2 + 4
2( ) 1( ) 0()