(vii) (a) Symmetric Matrix : A square matrix is said to symmetric if Aa#39; = A i.e., if A = [ a ij] then a ij = a ji a i, j (b) Skew ... (c) The necessary and sufficient condition for a square matrix A to posses inverse is that |A| 1 0 i.e., A is non singular. (d) If A is anbsp;...
|Title||:||A Textbook of Engineering Mathematics (PTU, Jalandhar) Sem-II|
|Author||:||N. P. Bali, Usha Paul|
|Publisher||:||Laxmi Publications - 2011-12-01|