Chapter Content type Value Position Created at
Chapter 4 - Mathematics Part-I text DETERMINANTS 87 EXERCISE4.3 Write Minors and Cofactors of... 24 Delete Content
Chapter 4 - Mathematics Part-I image /default_org/ncert_images/class-xii/m... 25 Delete Content
Chapter 4 - Mathematics Part-I text 88 MATHEMATICS  A A A  A A A   11 12 13  11 21 31... 26 Delete Content
Chapter 4 - Mathematics Part-I image /default_org/ncert_images/class-xii/m... 27 Delete Content
Chapter 4 - Mathematics Part-I text DETERMINANTS 99 x 1 −1 2   ▯ 2 0 1         ... 48 Delete Content
Chapter 4 - Mathematics Part-I text DETERMINANTS 89  A 0 0  1 0 0  A (adj A) = 0 A 0  =... 28 Delete Content
Chapter 4 - Mathematics Part-I image /default_org/ncert_images/class-xii/m... 29 Delete Content
Chapter 4 - Mathematics Part-I text 90 MATHEMATICS 1 0 0 3 i.e. |(adj A)| |A| = A 0 1 0 (Why?... 30 Delete Content
Chapter 4 - Mathematics Part-I image /default_org/ncert_images/class-xii/m... 31 Delete Content
Chapter 4 - Mathematics Part-I text DETERMINANTS 91 1 3 3   7 −3 −3      Now A (adj A... 32 Delete Content
Chapter 4 - Mathematics Part-I image /default_org/ncert_images/class-xii/m... 33 Delete Content
Chapter 4 - Mathematics Part-I text 92 MATHEMATICS 2 3  Example 15 Show that the matrix A =... 34 Delete Content
Chapter 4 - Mathematics Part-I image /default_org/ncert_images/class-xii/m... 35 Delete Content
Chapter 4 - Mathematics Part-I text DETERMINANTS 93 1 0 0   2 1 3 1 −1 2        8... 36 Delete Content
Chapter 4 - Mathematics Part-I image /default_org/ncert_images/class-xii/m... 37 Delete Content
Chapter 4 - Mathematics Part-I image /default_org/ncert_images/class-xii/m... 49 Delete Content
Chapter 4 - Mathematics Part-I text 94 MATHEMATICS Consistent system A system of equations is... 38 Delete Content
Chapter 4 - Mathematics Part-I image /default_org/ncert_images/class-xii/m... 39 Delete Content
Chapter 4 - Mathematics Part-I text DETERMINANTS 95 If (adj A) B = O, then system may be eith... 40 Delete Content
Chapter 4 - Mathematics Part-I image /default_org/ncert_images/class-xii/m... 41 Delete Content
Chapter 4 - Mathematics Part-I text 96 MATHEMATICS  −1 −5 −1  –1 1   Therefore A = − 17 ... 42 Delete Content
Chapter 4 - Mathematics Part-I image /default_org/ncert_images/class-xii/m... 43 Delete Content
Chapter 4 - Mathematics Part-I text DETERMINANTS 97  7 –3 2  Thus A –1= 1 adj (A) = 1 3 0 ... 44 Delete Content
Chapter 4 - Mathematics Part-I image /default_org/ncert_images/class-xii/m... 45 Delete Content
Chapter 4 - Mathematics Part-I text 98 MATHEMATICS 2 –3 5    15. If A = 3 2 –4 , find A... 46 Delete Content