Class 12 Maths Matrices Operation on Matrices

Operation on Matrices

  • Addition of matrices
  • Subtraction of matrices

 

Addition of Matrices:

 

If A = [aij] and B = [bij] are two matrices of the same order, say m × n. Then, the sum of the two matrices A and B is defined as a matrix C = [cij]m × n, where cij = aij + bij, for all possible values of i and j.

The two matrices have to be of the same order. if A and B are not of the same order, then A + B is not defined

 

Numerical:

Solution

 

Subtraction of Matrices

 

If A = [aij] and B = [bij] are two matrices of the same order, say m × n. Then, the difference of the two matrices A and B is defined as a matrix C = [cij]m × n, where cij = aij - bij, for all possible values of i and j.

 The two matrices have to be of the same order. if A and B are not of the same order, then A - B is not defined

 

Numerical:

Solution:

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