Page 218 - aljaber

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(.)

[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()