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Choose the correct answer from the given alternatives in the following question: If A = [1234] , adj A = ab[4a-3b], then the values of a and b are - Mathematics and Statistics

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Question

Choose the correct answer from the given alternatives in the following question:

If A = `[(1,2),(3,4)]` , adj A = `[(4,"a"),(-3,"b")]`, then the values of a and b are

Options

  • a = - 2, b = 1

  • a = 2, b = 4

  • a = 2, b = - 1

  • a = 1, b = - 2

MCQ
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Solution

a = - 2, b = 1

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Elementry Transformations
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Chapter 2: Matrics - Miscellaneous exercise 2 (B) [Page 61]

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