9 class math new book 2025 review exercise 3 || PCTB || 9 class math exercise 3 complete || New book

Описание: 9 class math new book 2025 review exercise 3 || PCTB || 9 class math exercise 3 complete || New book


⏰ Timecodes
00:00 Introduction
00:12 Question number 1 complete
10:50 Question number 2 complete
15:42 Question number 3 complete
21:41 Question number 4 complete
24:03 Question number 5 complete
33:12 Question number 6 part (a) complete
45:46 Question number 6 part (b) complete
53:21 Question number 6 part (c) complete
1:02:31 Question number 7
1:08:38 Question number 8
1:10:47 Question number 9 complete
1:14:20 Question number 10 complete
1:17:58 Question number 11
1:20:42 Question number 12
1:21:26 Question number 13
1:22:52 Question number 14
1:26:23 Question number 15 complete
1:32:48 Question number 16 complete



9th class math exercise 4.1 complete
   • 9 class math new book 2025 exercise 4.1 ||...  



sets and functions
the descriptive form
the tabular form
set-builder method
singleton set
empty set or null set or void set
equal sets, equivalent sets, subset, proper subset, improper subset, universal set and power set
operations on sets
union of two sets
intersection of two sets
disjoint sets
overlapping sets
difference of two sets
complement of a set
identification of sets using venn diagram
operations on three sets
properties of union and intersection
commutative property of union
commutative property of intersection
associative property of union
associative property of intersection
distributivity of union over intersection
distributivity of intersection over union
de Morgans law
verification of the properties using sets
verification of the properties using venn diagrams
real world application
principle of inclusion and exclusion for two sets
principle of inclusion and exclusion for three sets



9th class math review exercise 3 question number 1 complete
9th class math review exercise 3 question number 2 complete
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9th class math review exercise 3 question number 9 complete
9th class math review exercise 3 question number 10 complete
9th class math review exercise 3 question number 11 complete
9th class math review exercise 3 question number 12 complete
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9 class math new book 2025 review exercise 3 || PCTB || 9 class math exercise 3 complete || New book