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16. ifa and b are symmetric matrices of the same order, then which one of the following is not corect? (a) a +b is a symmetric matrix. (c) ab + ba is a symmetri
16. IfA and B are symmetric matrices of the same order, then which one of the following is not corect? (a) A +B is a symmetric matrix. (C) AB + BA is a symmetric matrix. (b) AB - BA is a symmetric matrix. (d) A+A" and B + B are symmetrie matrices.
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Alka gupta Best Answer
ans B...
doubt
yes, null matrix is symmetry , skew symmtric , .....
then B is symmetric also.
but your solution could not prove it symmetric why?
I said null matrix is skew symmtric matrix also....so you have to take any example in which you get AB-BA a non zero matrix....see