English

If A = [01312x231], A–1 = [12-452-123-3212y12] then x = 1, y = –1.

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Question

If A = `[(0, 1, 3),(1, 2, x),(2, 3, 1)]`, A–1 = `[(1/2, -4, 5/2),(-1/2, 3, -3/2),(1/2, y, 1/2)]` then x = 1, y = –1.

Options

  • True

  • False

MCQ
True or False
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Solution

This statement is True.

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Chapter 4: Determinants - Solved Examples [Page 77]

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NCERT Exemplar Mathematics Exemplar [English] Class 12
Chapter 4 Determinants
Solved Examples | Q 18 | Page 77
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