Mathematics
Given matrix A = and matrix B = [2 −4]. Product AB is a matrix of order:
2 × 2
2 × 1
1 × 2
product AB is not possible
Matrices
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Answer
For AB to exist :
Number of columns in A = Number of rows in B
Order of matrix A = 2 × 2
Order of matrix B = 1 × 2
Columns in A = 2
Rows in B = 1
∴ Product AB is not possible.
Hence, option 4 is the correct option.
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