.
1. = ( ). |
# , , х - .
.
1. : = ( )
2. =, = ( )
3. = =, = ( )
4. =, , + = + ( () )
5. =, , * = * ( () )
2. , () , , . |
3. , , . |
. , , (, ), (, ) ..
4. ( ), (). |
. , .
5. ( ) , . |
( ), ( ) , : , , .. , , , , , .
.
1. f(x)=g(x) p(x)=h(x) , , . |
2. f(x)=g(x) (1) p(x)=h(x), (2) (2) (1). (2) (1), 1 2 / 2 1 |
: (1) (2), , (1); (2) (3), , (2), ..:
(1) → (2) → (3) → (4) →
, . : (1)?
|
|
:
( ), ( ).
, ,
, :
) , , , -,
) , , .
().
1. f(x), g(x), h(x) X, X
f(x)<g(x) óf(x)+h(x)<g(x)+h(x),
f(x)=g(x) ó f(x)+h(x)=g(x)+h(x)
- , , .
2. h(x) > 0 X, X
f(x)<g(x) ó f(x)*h(x)<g(x)*h(x),
.
3. h(x)<0 ,
f(x)<g(x) ó f(x)*h(x)>g(x)*h(x),
.
4. f(x)=g(x) h(x), :
) ( ) f(x)=g(x);
) 0, - f(x)*h(x) =g(x)*h(x), .
4 : , , .
5. , , .
6. , n , : f(x)n=g(x)n.