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  1. C ( )
  2. I 6.1.
  3. I. .
  4. IX. ղί
  5. S-m-n-
  6. ) 2-, 3- - ( -). ) .
  7. .

X > ?

15.

f (x) > , - ?> 0 ?, , < < + ?, | f (x) - |

f (x) > , - ?> 0 ?, , - ? < <, | f (x) - |

16. , . y = f (x), 0, , 0 : lim > 0 f (x) = f (x0).

y = f (x) = 0 , - 0 0, .

17. . 0 f (x), .

1 () , .

2 (), f (x) .

3 (), 0 0 .

18. x0(?x = x-x0). x0 lim , ( , lim ). .

19. . y = f (x) 0 , , .

20. 0 , .

df (0) = F '(0) ?; ? = d ; df (0) = F '(0) d

.

. = f (x) t0 g (t0) = x0, y = f (g (x)) t0 : df (g (t)) / dt | t = to = f ? (x0) * g ? (t0) y ? t = y ? x * x ? t.

22. .

y = f (x) x = g (y) 0 f ? (x) , g (y) 0 = f (x0) g ? (y0) = 1 / f (x0) x ? y = 1 / y ? x.



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