21X( X2 + 4 − X − 2 ) ( = 4 X2 + 4 − X − 2 ) §H MË - D - 2000XX− +

2) 2

1

x

( x

2

+ 4 x 2 ) ( = 4 x

2

+ 4 x 2 ) §H Më - D - 2000

x

+