Q81 of 146 Page 52

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In applying one or more now operations while finding A^–1 by elementary row operations, we obtain all zeros in one or more, then A^–1 ______.

A^-1 Does not exist,

∵

And |A|=0 if there are one or more rows or coloumns with all zero elements.

Fill in the blanks in each of the

If A and B are symmetric matrices of same order, then AB is symmetric if and only if ______.

Fill in the blanks in each of the

If A and B are symmetric matrices of same order, then AB is symmetric if and only if ______.

Fill in the blanks in each of the

In applying one or more now operations while finding A^–1 by elementary row operations, we obtain all zeros in one or more, then A^–1 ______.

Which of the following statements are True or False

A matrix denotes a number.

Fill in the blanks in each of theIn applying one or more now operations while finding A–1 by elementary row operations, we obtain all zeros in one or more, then A–1 ______.