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Let a Be a Square Matrix of Order 3 × 3, Then | Ka| is Equal to - Mathematics

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Question

Let A be a square matrix of order 3 × 3, then | kA| is equal to

(A) k|A|

(B) k2 | A |

(C) k3 | A |

(D) 3k | A |

Solution

Answer: C

A is a square matrix of order 3 × 3.

Hence, the correct answer is C.

 

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Chapter 4: Determinants - Exercise 4.2 [Page 121]

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NCERT Mathematics [English] Class 12
Chapter 4 Determinants
Exercise 4.2 | Q 15 | Page 121

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