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BCom Tuition > Learn BCom Tuition > How wil I find A inverse in metrix?
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How wil I find A inverse in metrix?

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Shoba-Tutor

First step find determinant of A. If det A not =0 then find co factor of A. Then find A transpose of co factors.then formila for A inverse = 1/Det A × A transpose C..
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BE(all subject) and 12th biology,maths,tamil,english,physics,chemistry.

when A=2,3,4,5,its inverse is first you put square matrix for this.then in that matrix first enter 2 and 3 as first row and 4 and 5 as second row. now you want to cross multiply( 1/)then you put square box then you change the position of first row first coloum with 2nd row 2nd coloum. then change...
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when A=2,3,4,5,its inverse is first you put square matrix for this.then in that matrix first enter 2 and 3 as first row and 4 and 5 as second row. now you want to cross multiply( 1/[2*5 + 3*4])then you put square box then you change the position of first row first coloum with 2nd row 2nd coloum. then change the sign of 1st row 2nd coloum and 2nd row 1st coloum for 2 cross 2 matrix read less
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Best Engineer tutor having lots of results.

Because matrix is a arrangement of datas. So it has no solution. Inverse is another type of rearrangement
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Commerce coaching

For , the inverse can be found using this formula: A= -c a]
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Commerce coaching

A=[a b A -1 = 1/ad-bc *[d -b
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Commerce coaching

c d] -c a]
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Maths Tutor

Inverse of a matrix is defined only if |A| is not equal to 0. First find the minors and then co-factors. Minor of 'a'ij is the determinant of elements in rows and columns leaving row-i and column-j. Then find cofactor; cofactor of 'a'ij= (-M)^i+j Further find adjoint which is the transpose of the matrix...
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Inverse of a matrix is defined only if |A| is not equal to 0. First find the minors and then co-factors. Minor of 'a'ij is the determinant of elements in rows and columns leaving row-i and column-j. Then find cofactor; cofactor of 'a'ij= (-M)^i+j Further find adjoint which is the transpose of the matrix of cofactors. And then A-inverse would be= adj.A / |A|. read less
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Tutor, Trainer and Counseler

A^(-1)= 1/(?A?) adj.A where adj.A = transpose of co-factor matrix of A
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Expert In Mathematics, Statistics, Analytics, Data Science, Big Data

Normally we find the inverse of matrix in 2 ways... 1. using the formula -- Inverse of A = (1/|A|) Adj(A)... You can observer determinant of A i.e. |A| is an real number if it is equal to zero the inverse of matrix is will be undefined. So |A| must be non zero. 2. We can use elementary row transform...
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Expert In Mathematics, Statistics, Analytics, Data Science, Big Data

Hope you understand...If any query... let me know..
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