Balbharati Maharashtra State Board12th Commerce Maths Solution Book PdfChapter 2 Matrices Ex 2.5 Questions and Answers.
Maharashtra State Board 12th Commerce Maths Solutions Chapter 2 Matrices Ex 2.5
Question 1
Maharashtra Board Solution
Apply the given elementary transformation on each of the following matrices: (i) , R1 ↔ R2 (ii) , C1 ↔ C2 (iii) 3R2 and C2 → C2 – 4C1
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Question 2
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Transform into an upper triangularmatrix by suitable row transformations.
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Question 3
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Find the cofactor matrix of the following matrices: (i) (ii)
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Question 4
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Find the adjoint of the following matrices: (i) (ii)
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Question 5
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Find the inverses of the following matrices by the adjoint mathod: (i) (ii) (iii)
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Question 6
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Find the inverses of the following matrices by the transformation method: (i) (ii)
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Question 7
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Find the inverse of A = by elementary column transformations.
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Question 8
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Find the inverse of by the elementary row transformations.
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Question 9
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If A = and B = , then find matrix X such that XA = B.
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Question 10
Maharashtra Board Solution
Find matrix X, if AX = B, where A = and B =
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