# Ex 3.1, 5 (ii) - Chapter 3 Class 12 Matrices (Term 1)

Last updated at Aug. 16, 2021 by Teachoo

Last updated at Aug. 16, 2021 by Teachoo

Transcript

Ex 3.1, 5 Construct a 3 × 4 matrix, whose elements are given by (ii) aij = 2i – j, i = 1, 2, 3, and j = 1, 2, 3, 4 Since it is a 3 × 4 matrix it has 3 rows & 4 column Let the required matrix be A , where A = [■8(a11&a12&a13&a14@a21&a22&a23&a24@a31&a32&a33&a34)]_(3 × 4) It is given that aij = 2i – j Hence, the required matrix is A = [■8(1&0&−1&−2@3&2&1&0@5&4&3&2)]

Chapter 3 Class 12 Matrices (Term 1)

Serial order wise

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.