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Recent questions tagged p63

If A and B are square matrices of the same order,then $(iii)\quad [k(A-B)']=\text{________}.$

asked Apr 3, 2013 by sreemathi.v

1 answer

If A and B are square matrices of the same order,then $(ii)\quad (kA)'=\text{________}.$(k is any scalar)

asked Apr 3, 2013 by sreemathi.v

1 answer

If A and B are symmetric matrices,then $(ii)\quad BA-2AB\;is\;a\;\text{_______}$

asked Apr 3, 2013 by sreemathi.v

1 answer

True or False: If each of the three matrices of the same order are symmetric matrix.

asked Dec 24, 2012 by sreemathi.v

1 answer

True or False: If A and B are two square matrices of the same order , then AB = BA.

asked Dec 24, 2012 by sreemathi.v

1 answer

True or False: Transpose of a column matrix is a column matrix.

asked Dec 24, 2012 by sreemathi.v

1 answer

True or False: If a matrix AB = 0, then A=0 or B=0 or both A and B are null matrices.

asked Dec 24, 2012 by sreemathi.v

1 answer

True or False: If A and B are two matrices of the same order, then A-B = B-A.

asked Dec 24, 2012 by sreemathi.v

1 answer

True or False: If A and B are two square matrices of the same order , then A+B = B+A.

asked Dec 24, 2012 by sreemathi.v

1 answer

True or False: A square matrix where every element is unity is called an identify matrix.

asked Dec 24, 2012 by sreemathi.v

1 answer

True or False: Matrix multiplication is commutative.

asked Dec 24, 2012 by sreemathi.v

1 answer

True or False: Matrix addition is associative as well as commutative.

asked Dec 24, 2012 by sreemathi.v

1 answer

True or False: Matrices of different order can not be subtracted.

asked Dec 24, 2012 by sreemathi.v

1 answer

True or False: Two matrices are equal if they have same number of rows and same number of columns.

asked Dec 24, 2012 by sreemathi.v

1 answer

True or False: Matrices of any order can be added.

asked Dec 24, 2012 by sreemathi.v

1 answer

True or False: A matrix denotes a number.

asked Dec 24, 2012 by sreemathi.v

1 answer

In applying one or more row operations while finding $A^{-1}$ by elementary row operations, we obtain all zeros in one or more, then $A^{-1}$________ .

asked Dec 24, 2012 by sreemathi.v

1 answer

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

asked Dec 24, 2012 by sreemathi.v

1 answer

If A is symmetric matrix, then B'AB is ________ .

asked Dec 24, 2012 by sreemathi.v

1 answer

If A and B are symmetric matrices,then $\quad AB-BA\;is\;a\;\text{_______}$

asked Dec 24, 2012 by sreemathi.v

1 answer

If A is skew symmetric, then kA is a __________. (k is any scalar).

asked Dec 24, 2012 by sreemathi.v

1 answer

If A and B are square matrices of the same order,then $\quad (AB)'=\text{________}.$

asked Dec 24, 2012 by sreemathi.v

1 answer

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