Класс 11 RD Sharma Solutions — Глава 29 Ограничения — Упражнение 29.10 | Набор 2
Оцените следующие ограничения:
Вопрос 16. 
Решение:
We have,
=
=
=
As
and
, we get,
=
= 2
Вопрос 17. 
Решение:
We have,
=
=
=
As
and
, we get,
= log e × 1
= 1
Вопрос 18. 
Решение:
We have,
=
=
=
=
=
As
and
, we get,
= 1 −
=
Вопрос 19. 
Решение:
We have,
=
=
=
Let h = x/a − 1. We get,
=
We know,
. So, we have,
=
=
Вопрос 20. 
Решение:
We have,
=
=
=
=
=
=
We know,
. So, we have,
=
=
Вопрос 21. 
Решение:
We have,
=
=
=
=
We know,
. So, we have,
=
Вопрос 22. 
Решение:
We have,
=
=
=
=
We know,
. So, we have,
=
Вопрос 23. 
Решение:
We have,
=
=
=
=
=
=
We know,
. So, we have,
=
=
Вопрос 24. 
Решение:
We have,
=
=
=
=
As
, we get,
= log 8 − log 2
=
= log 4
Вопрос 25. 
Решение:
We have,
=
=
=
As
and
, we get,
= (log 2) × 2
= 2 log 2
= log 4
Вопрос 26. 
Решение:
We have,
=
=
=
=
=
=
We know,
. So, we have,
=
=
Вопрос 27. 
Решение:
We have,
=
=
=
=
We know,
and
. So, we get,
= 1
Вопрос 28. 
Решение:
We have,
=
=
We know,
. So, we have,
=
= a0 × log a
= log a
Вопрос 29. 
Решение:
We have,
=
=
=
=
=
As numerator and denominator are both zero for x = 0, therefore limit cannot exist.
Вопрос 30. 
Решение:
We have,
=
Let x = h + 5. We get,
=
=
=
We know,
. So, we have,
= e5 × log e
= e5


and
, we get,










. So, we have,













































