Tamil Nadu Board of Secondary EducationHSC Arts Class 12

Choose the correct alternative: If A = [1214]=[6006], then A = - Mathematics

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MCQ

Choose the correct alternative:

If A = `[(1, -2),(1, 4)] = [(6, 0),(0, 6)]`, then A =

Options

  • `[(1, -2),(1, 4)]`

  • `[(1, 2),(-1, 4)]`

  • `[(4, 2),(-1, 1)]`

  • `[(4, -1),(2, 1)]`

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Solution

`[(4, 2),(-1, 1)]`

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 4 | Page 48
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