9th class math exercise 1a question answer | Set chapter 1 question answer odiamedium

Added: 2026-05-06

[00:00:00]Hello my dear students, welcome back to our channel.

[00:00:18]forc I A D ABC A What A belongs to A belongs to ABC set D A B A B C not belongs to A C A TV.

[00:02:14]I A B C A B C There Number belongs to A subset.

[00:03:25]A B C belongs to not equal to not equal to number question.

[00:04:01]Achion.

[00:04:30]forgive.

[00:05:10]A intersection intersection intersection answer Then intersection.

[00:05:40]Answer.

[00:06:02]A difference B Asw Answer 1 2 B minus A B minus A.

[00:06:43]A dot Answer.

[00:07:15]B Union C.

[00:07:22]number then answer Ache.

[00:07:52]Answer intersection C.

[00:08:24]Intersection 5 H number three.

[00:08:53]minus B minus C minus C.

[00:09:19]for answer.

[00:09:55]I X X X I X Yractractice Number Then B union A union A B is equal to B union A.

[00:11:33]A Bal A B intersection C is equal to C intersection B. B intersection C intersection B A union B union C is equal to A B union C.

[00:12:35]A union 5 6 7 6 7 8 9 4 5 6 7 8 Sorry. 1 2 3 4 forract.

[00:13:46]B A minus B is not equal to B minus A.

[00:13:52]A B minus answer.

[00:14:34]A minus B is not equal to B minus A.

[00:14:46]Ch number question.

[00:15:00]Okay.

[00:15:05]X² = 0t² - 1 = -1 + sorry 1 row square root plus or minus one. Plus one answer.

[00:16:13]AK.chech.

[00:16:32]Answer 2 greater than x greater and four.

[00:17:24]X belongs to N star to X greater than equal to 3.

[00:17:44]greater than equal to 3. Greater than equal to three.

[00:18:06]2 3 3.7 The answer is 0 1 2 Share.

[00:18:32]Subscribe.

[00:18:44]number.

[00:19:12]A union A intersection B then A intersection then A minus B then A.

[00:19:54]A B D E A P A B A minus B union A intersection B A minus B D E A intersection B A B A D A D EP A minus B intersection.

[00:21:14]A intersection B is equal to answer then intersection A intersection These answer then intersection.

[00:22:08]Number A intersection B set A B set A intersection B.

[00:22:40]A intersection B. A intersection B.

[00:22:57]Then A minus B A minus B to A minus B A intersection.

[00:23:57]A intersection B A intersection A set B set A intersection A intersection B A intersection B minus A third A minus B - A Intersection B.

[00:24:47]The A Ach.

[00:25:01]Attection minus second intersection Sorry.

[00:26:04]A minus B minus A is equal to A B minus A intersection B A for a minus then a intersection A minus B minus A A B A intersection B solve A B union B minus A intersection Bus A intersection Do a minus b union b minus a intersection b is equal to a minus b union b minus a. Take it.

[00:28:15]Number n number.

[00:28:18]I N is equal to 1 2 3 4.

[00:28:33]1 2 3 4 dot n I 20 - I6 I 16US I I20 I 16% 1 2 3 16 I 16 I 20 - I 16 I 16US I20 I 20US IU I 16% I answer I16US I23 for I answer. Take it.