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3. Matrices
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Q88 of 146 Page 52

Which of the following statements are True or False

A square matrix where every element is unity is called an identity matrix.

False

∵ A square matrix where every element of the leading diagonal is unity and rest elements are zero is called an identity matrix.


i.e


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87

Which of the following statements are True or False

Matrix multiplication is commutative.

87

Which of the following statements are True or False

Matrix multiplication is commutative.

88

Which of the following statements are True or False

A square matrix where every element is unity is called an identity matrix.

89

Which of the following statements are True or False

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

Questions · 146
3. Matrices
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