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- . . () ѳ. , , . .

, , , - . .. , .

 

1. ˲ͲͲ

 

1.1. F , m1,m2 , r.

`. a F=g*m1*m2/r2, g = 6.673*10-11 *2/2.

 

m1,m2,R,Gam,F:;

(m1,m2,R);

g6.673E-11;

FGam*m1*m2 /(R*R);

(F)

.

 

1.2. ,

 

a) ;

 

) ; ) .

 

1.3. :

 

) y=x4-2x3+x2+1, x=3;

b) y=x6+3x4-5x2+x+1, x=2;

c) y=4x5+2x4+6x3+7x2+x+3, x=-1;

d) y=x8+5x4-2x2+x, x=2;

e) y=x9+2x6+3x3-5, x=2.

 

1.4. .

) z=x6y3+x4y2+x2, x=-1, y=2;

b) z=x2y2+x3+y3+3x2y+3xy2+x2+2xy+y2, x=2, y=-1;

 

1.5. :

 

a) y=x2+x+1/x+1/x2 x=3;

b) y=x16+x4, x=2.

 

1.6. x y.

 

1.7. , a, b, c, d b, c, d, a .

 

1.8.

xx+y; yx-y; xx-y?

 

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