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Let A = [aij] given by abij = (i-j)^3 is a _________(a) Symmetric matrix(b) Anti-Symmetric matrix(c) Identity matrix(d) None of the mentionedThis question was addressed to me during an interview for a job.This is a very interesting question from Transpose of Matrices in section Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics |
Answer» RIGHT answer is (b) Anti-Symmetric MATRIX The explanation is: AJI =(j-i^3) = -AIJ, A is Anti-symmetric matrix. |
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