Tamil Nadu Board of Secondary EducationHSC Arts Class 12

Choose the correct alternative: If + = [1x013024-2] is the adjoint of 3 × 3 matrix A and |A| = 4, then x is - Mathematics

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MCQ

Choose the correct alternative:

If + = `[(1, x, 0),(1, 3, 0),(2, 4, -2)]` is the adjoint of 3 × 3 matrix A and |A| = 4, then x is

Options

  • 15

  • 12

  • 14

  • 11

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Solution

11

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 7 | Page 48

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