Tamil Nadu Board of Secondary EducationHSC Arts Class 12

Choose the correct alternative: If A = [2015] and B = [1420] then |adj (AB)| = - Mathematics

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MCQ

Choose the correct alternative:

If A = `[(2, 0),(1, 5)]` and B = `[(1, 4),(2, 0)]` then |adj (AB)| =

Options

  • – 40

  • – 80

  • – 60

  • – 20

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Solution

– 80

Concept: Inverse of a Non-singular Square Matrix
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Chapter 1: Applications of Matrices and Determinants - Exercise 1.8 [Page 48]

APPEARS IN

Tamil Nadu Board Samacheer Kalvi Class 12th Mathematics Volume 1 and 2 Answers Guide
Chapter 1 Applications of Matrices and Determinants
Exercise 1.8 | Q 6 | Page 48

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