Вариант 27

3

x2

1.

lim

5

7

x

x

1

2.

lim

3x

x2

5x3

x

4x

2

3.

lim

3x2 10x 3

x3

x

3

27

4.

lim

x

1

2

x2

x

3

9

5.

lim

1

12

2

x

x3

x

2

8

6.

lim

sin 2 x

cos2 2x

x

0

1

7.

lim

x2

ctg2x

sin 3x

x

0

8.

lim

8x

1 x 2

8x

1

x

1

9.

lim

3 x

4

1.

lim

cos x2

5x

x2

x

0

7

2.

lim

x

7

x

7

3

x

x

x

3.

lim

3x3

24

x2

x

2

5x

6

4.

lim

x2

2

x

0

x

1

1

5.

lim

4x2

3x

2x

x

6.

lim

5x

ctg3x

x

0

7.

lim

arctg 2 2x 1 cos18x

sin 2 9x

x

0

8.

lim

1

х

1

sin

x

0

2

x, приx

2

f x

4x

x2 , при2

x 4

x2

4x, приx

4

1.

2sin 3x

1

x

lim

3

5x

x

2.

lim

x

1 3

x

3x2

x

x

3.

lim

1

9x2

3x2 10x

x

13

3

4.

lim

1

3x

4

x

5

x

5

5.

lim

x

x2

7x

x

6.

lim

cos3x

cos5x

x2

x

0

7.

lim

1

cos 4x

arcsin 2 2x

x

0

tgx

x

8.

lim

7 6x

3x

3

1

, приx

1

x

f x

x2 2x, при 1

x 1

3

x, приx

1

1.

5cos x

x

2

lim

7

2x2

x

0

3

2.

lim

x3

7x

4

2

x

x

19

3.

lim

x3

1

x

1 x2

3x

2

4.

lim

2

x

3

x2

x

7

49

5.

lim

2x

1

x

2

x

6.

lim

1 cos x

5x2

x

0

7.

lim

tg3x

sin 2 4x

e5x

x

0

1

x

7

x2

1

8.

lim

3x

2

x

3

x, приx

1

f x

x2 2x

1, при 1

x 3

x

6, прих

3