³] ƒ ( x ) = ( x - 1 )( x - 2 )¡K¡K( x ¡V 100 ).
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100!

³]  þ ( x ) = ( x - 1 )( x - 2 )¡K¡K( x ¡V 100 )=Y.
«h þ (  þ ( x ) )=( Y - 1 )( Y - 2 )¡K¡K( Y ¡V 100 )
=Y^100*(A1)+Y^99*(A2)+....Y^1*(A100)+100!

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