Вариант 19

1.

lim

x2

cos3x

5

1x2

x

0

3

2.

lim

2x5

x

1

10

7

x

5x

6

x

3.

lim

x3

27

x2

x

3

3x

4.

lim

x2

25

2

x

1

x

5

5.

lim

x2

3

x2 1

x

cos

x

6.

lim

2

x

x

7.

lim

tg 23x

ctg2x

sin 6x

x

0

8.

lim

3x

7

2x

5

3x

x

9.

lim

n

x2

3

x

3 0

x

2

x2 , приx

1

f x

x2 4x

1, при 1

x 0

2

x, приx

0

2

x

x2 1 x 2

1.

lim

7

x2

x

2.

lim

2x3

4x

5

x2

x

3

3.

lim

x2

3x

2

2x2

x

2

3x

2

4.

lim

x

1

2x

1

1

x

1

5.

lim

x2

2x

x

x

6.

lim

x2

2x

1

sin 3x

3

x

1

7.

lim

x arcsin 7x

e5x

x

0

1

sin 3x

8.

lim

x

7

x

2

x

2

x

sin x

, приx

0

f x

x

2, приx

0

1.

lim

4 x

x2

4x

x

x

0

2.

lim

6

3x4

7x

x3

x

4x

5

x2

3.

lim

x

1

x

x

1

4.

lim

x

8

x

1

3

x

8

5.

lim

2x

3 n x 2

nx

x

6.

lim

sin x2

x4

x2

x

0

7.

lim

arctg3x

sin 5x

n 1

5x tg6x

x

0

8.

lim

x

7 5x

1

x

1

x

9.

lim

2

1x

1.

lim

1

x

4

7x

3

x2

x

5

2.

lim

x4

x2

2

x2

x3

x

1

3.

lim

x4

16

x3

x

2

8

4.

lim

x2

x

12

x

2

4

x

x

3

5.

lim

4

1

x2

x

2

x

2

4

6.

lim

1

cos 2x

x2

x

0

arctg3x

e2x 1

7.

lim

sin 2 3x tg2x

x

0

8.

lim

5x

7

x

5x

4

x

0

x2

2x, приx

0

f x

2x

x2 , при0

x 2

3x

1, прих

2