This exercise 1.5 of 9th class math, belongs to Punjab board & Federal Board of Pakistan.
TIMECODES
00:00 Suggestions
00:20 Q.1 Concept
00:44 What is Determinant ?
05:15 Q.1 I
07:11 Q.1 ii
08:20 Q.1 iii
09:17 Q.1 Iv

10:09 Q.2 Concept
10:25 Singular Matrix ?
12:35 NonSingular Matrix?
14:51 Q.2 I
16:08 Q.2 ii
17:09 Q.2 iii
18:30 Q.2 iv

20:29 Q.3 Concept
21:04 Multiplicative Inverse ?
24:53 Adjoint of a Matrix
28:42 If exists mean ?
30:32 Q.3 I
38:21 Q.3 ii
43:28 Q.3 iii
45:09 Q.3 iv

01:03:36 Q.4 Concept
01:05:07 Q.4 I
01:20:47 Q.4 ii

01:41:44 Q.5 Concept
01:43:41 Q.5 I
01:47:26 Q.5 ii

01:51:08 Q.6 I
02:13:52 Q.6 ii

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