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Chapter 1 – Matrices And Determinants Multiple Questions and Answers.
| 11. | In matrices (AB)t equals to | ||
| A. | B | ||
| B. | A | ||
| C. | At Bt | ||
| D. | Bt At | ||
| 12. | If determinant of a matrix is not equal to zero, then it is said to be | ||
| A. | non-singular matrix | ||
| B. | square matrix | ||
| C. | singular matrix | ||
| D. | identical matrix | ||
| 13. | A diagonal matrix having equal elements is called a | ||
| A. | square matrix | ||
| B. | identical matrix | ||
| C. | scalar matrix | ||
| D. | rectangular matrix | ||
| 14. | In matrices (A + B)tequals to | ||
| A. | At | ||
| B. | Bt | ||
| C. | At + Bt | ||
| D. | At Bt | ||
| 15. | If A, B and C matrices are of same order and (A + B) + C = A + (B + C), this law is known as | ||
| A. | cramer's law | ||
| B. | distributive law | ||
| C. | commutative law | ||
| D. | associative law | ||
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