Ex 3.3, 7 (i) - Chapter 3 Class 12 Matrices

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Ex 3.3, 7 Show that the matrix A = [■8(1&−1&5@−1&2&1@5&1&3)] is a symmetric matrix A = [■8(1&−1&5@−1&2&1@5&1&3)] A’ = [■8(𝟏&−𝟏&𝟓@−𝟏&𝟐&𝟏@𝟓&𝟏&𝟑)] ∴ A’ = A Hence, A is a symmetric matrix.

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo