Page 123 - aljaber
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4x x −1− x +1+1 = 0 [AHSME 1957] ( )
4 () 5( ) 5( ) 4()
5 4 [AHSME 1959] ( )
sr
6() r2 + s2 x 2 − 3x + 1 = 0
:
4 () ()
24 ( ) () 4 ()
. 9
.
[MAΘ1990 ] ( )
5( ) 4( ) 3 ()
[MAΘ 1990] (
301 . )
.1
22 ( ) 21 ( ) 17 ( )
