. a) Let A = [ 2 x 4 5 3 8 4 y 9] , if A is symmetric , find value of x and y b) From part (a) verify that AA' and A + A' are symmetric matrices [ A' means AT ]
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If A is square matrix, then which of the following is not true ? OPTIONS --- 1) AA' is symmetric 2) A-A' is skew symmetric. 3) A square is symmetric 4) A+A' is symmetric
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If A=[0 2x-3 x+2 0] is a skew - symmetric matrix then x is equal to:
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