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What is the element in the 2nd row and 1st column of a 2 x 2 Matrix A = [ aij], such that a = (i + 3) (j – 1)​
  • a)
    0
  • b)
    4
  • c)
    -5
  • d)
    5
Correct answer is 'A'. Can you explain this answer?
Most Upvoted Answer
What is the element in the 2ndrow and 1stcolumn of a 2 x 2 Matrix A = ...
The element in the 2nd row and 1st column of the matrix A can be found by substituting i=2 and j=1 into the expression a = (i 3) (j 2) and simplifying:

a = (2 - 3) (1 - 2) = (-1) (-1) = 1

Therefore, the element in the 2nd row and 1st column of the matrix A is 1.
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Community Answer
What is the element in the 2ndrow and 1stcolumn of a 2 x 2 Matrix A = ...
I denotes the row to which element belongs and j denotes column to which element belongs so i= 2 and j = 1 so, a = (2+3)(1-1)= 5×0=0 option A
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