M X( ) =3X4−2X3+ +X2 4X−5;N X( ) =2X3+ −X2 4X−50

3.2 .1 2.1 6 16

2

C

=

+ =

1.0

a.

M x

( )

=

3

x

4

2

x

3

+ +

x

2

4

x

5

;

N x

( )

=

2

x

3

+ −

x

2

4

x

5

0.5

( )

( ) 3

4

(

2

3

2

3

) (

2

2

)

(

4

4

) (

5 5

)

M x

+

N x

=

x

+ −

x

+

x

+

x

+

x

+

x

x

+ − −